diff --git a/static/app/views/insights/browser/common/queries/useResourcesQuery.ts b/static/app/views/insights/browser/common/queries/useResourcesQuery.ts
index de95b44228c542..82deeb275623e6 100644
--- a/static/app/views/insights/browser/common/queries/useResourcesQuery.ts
+++ b/static/app/views/insights/browser/common/queries/useResourcesQuery.ts
@@ -25,6 +25,7 @@ const {
   HTTP_RESPONSE_CONTENT_LENGTH,
   PROJECT_ID,
   FILE_EXTENSION,
+  USER_GEO_SUBREGION,
 } = SpanMetricsField;
 
 const {TIME_SPENT_PERCENTAGE} = SpanFunction;
@@ -49,6 +50,9 @@ export const getResourcesEventViewQuery = (
     ...(resourceFilters.transaction
       ? [`transaction:"${resourceFilters.transaction}"`]
       : []),
+    ...(resourceFilters[USER_GEO_SUBREGION]
+      ? [`user.geo.subregion:[${resourceFilters[USER_GEO_SUBREGION]}]`]
+      : []),
     ...getDomainFilter(resourceFilters[SPAN_DOMAIN]),
     ...(resourceFilters[RESOURCE_RENDER_BLOCKING_STATUS]
       ? [
diff --git a/static/app/views/insights/browser/resources/components/charts/resourceSummaryCharts.tsx b/static/app/views/insights/browser/resources/components/charts/resourceSummaryCharts.tsx
index c5fee05cb2ee67..64aea96d8fde1a 100644
--- a/static/app/views/insights/browser/resources/components/charts/resourceSummaryCharts.tsx
+++ b/static/app/views/insights/browser/resources/components/charts/resourceSummaryCharts.tsx
@@ -45,6 +45,11 @@ function ResourceSummaryCharts(props: {groupId: string}) {
                   filters[RESOURCE_RENDER_BLOCKING_STATUS],
               }
             : {}),
+          ...(filters[SpanMetricsField.USER_GEO_SUBREGION]
+            ? {
+                [SpanMetricsField.USER_GEO_SUBREGION]: `[${filters[SpanMetricsField.USER_GEO_SUBREGION].join(',')}]`,
+              }
+            : {}),
         }),
         yAxis: [
           `spm()`,
diff --git a/static/app/views/insights/browser/resources/components/resourceView.tsx b/static/app/views/insights/browser/resources/components/resourceView.tsx
index b1eb0ed296e1b1..665fa0a8dac477 100644
--- a/static/app/views/insights/browser/resources/components/resourceView.tsx
+++ b/static/app/views/insights/browser/resources/components/resourceView.tsx
@@ -36,6 +36,7 @@ const {
   SPAN_DOMAIN,
   TRANSACTION,
   RESOURCE_RENDER_BLOCKING_STATUS,
+  USER_GEO_SUBREGION,
 } = BrowserStarfishFields;
 
 type Option = {
@@ -52,7 +53,12 @@ function ResourceView() {
     ...(filters[SPAN_DOMAIN] ? {[SPAN_DOMAIN]: filters[SPAN_DOMAIN]} : {}),
   };
 
-  const extraQuery = getResourceTypeFilter(undefined, DEFAULT_RESOURCE_TYPES);
+  const extraQuery = [
+    ...getResourceTypeFilter(undefined, DEFAULT_RESOURCE_TYPES),
+    ...(filters[USER_GEO_SUBREGION]
+      ? [`user.geo.subregion:[${filters[USER_GEO_SUBREGION].join(',')}]`]
+      : []),
+  ];
 
   return (
     <Fragment>
diff --git a/static/app/views/insights/browser/resources/components/tables/resourceSummaryTable.tsx b/static/app/views/insights/browser/resources/components/tables/resourceSummaryTable.tsx
index 37bb421abeda82..41cd264d8e2278 100644
--- a/static/app/views/insights/browser/resources/components/tables/resourceSummaryTable.tsx
+++ b/static/app/views/insights/browser/resources/components/tables/resourceSummaryTable.tsx
@@ -34,6 +34,7 @@ const {
   SPAN_SELF_TIME,
   HTTP_RESPONSE_CONTENT_LENGTH,
   TRANSACTION,
+  USER_GEO_SUBREGION,
 } = SpanMetricsField;
 
 type Row = {
@@ -55,6 +56,7 @@ function ResourceSummaryTable() {
   const {data, isLoading, pageLinks} = useResourcePagesQuery(groupId, {
     sort,
     cursor,
+    subregions: filters[USER_GEO_SUBREGION],
     renderBlockingStatus: filters[RESOURCE_RENDER_BLOCKING_STATUS],
   });
 
diff --git a/static/app/views/insights/browser/resources/components/tables/resourceTable.tsx b/static/app/views/insights/browser/resources/components/tables/resourceTable.tsx
index f9304c712575d7..06e900a5529103 100644
--- a/static/app/views/insights/browser/resources/components/tables/resourceTable.tsx
+++ b/static/app/views/insights/browser/resources/components/tables/resourceTable.tsx
@@ -25,6 +25,7 @@ import {
   RESOURCE_THROUGHPUT_UNIT,
 } from 'sentry/views/insights/browser/resources/settings';
 import {ResourceSpanOps} from 'sentry/views/insights/browser/resources/types';
+import {useResourceModuleFilters} from 'sentry/views/insights/browser/resources/utils/useResourceFilters';
 import type {ValidSort} from 'sentry/views/insights/browser/resources/utils/useResourceSort';
 import {DurationCell} from 'sentry/views/insights/common/components/tableCells/durationCell';
 import {renderHeadCell} from 'sentry/views/insights/common/components/tableCells/renderHeadCell';
@@ -79,6 +80,7 @@ function ResourceTable({sort, defaultResourceTypes}: Props) {
   const location = useLocation();
   const organization = useOrganization();
   const cursor = decodeScalar(location.query?.[QueryParameterNames.SPANS_CURSOR]);
+  const filters = useResourceModuleFilters();
   const {setPageInfo, pageAlert} = usePageAlert();
 
   const {data, isLoading, pageLinks} = useResourcesQuery({
@@ -130,7 +132,11 @@ function ResourceTable({sort, defaultResourceTypes}: Props) {
 
     if (key === SPAN_DESCRIPTION) {
       const fileExtension = row[SPAN_DESCRIPTION].split('.').pop() || '';
-
+      const extraLinkQueryParams = {};
+      if (filters[SpanMetricsField.USER_GEO_SUBREGION]) {
+        extraLinkQueryParams[SpanMetricsField.USER_GEO_SUBREGION] =
+          filters[SpanMetricsField.USER_GEO_SUBREGION];
+      }
       return (
         <DescriptionWrapper>
           <ResourceIcon fileExtension={fileExtension} spanOp={row[SPAN_OP]} />
@@ -140,6 +146,7 @@ function ResourceTable({sort, defaultResourceTypes}: Props) {
             spanOp={row[SPAN_OP]}
             description={row[SPAN_DESCRIPTION]}
             group={row[SPAN_GROUP]}
+            extraLinkQueryParams={extraLinkQueryParams}
           />
         </DescriptionWrapper>
       );
diff --git a/static/app/views/insights/browser/resources/queries/useResourcePageQuery.ts b/static/app/views/insights/browser/resources/queries/useResourcePageQuery.ts
index d804c77a2eb64e..16b8a143ed4edf 100644
--- a/static/app/views/insights/browser/resources/queries/useResourcePageQuery.ts
+++ b/static/app/views/insights/browser/resources/queries/useResourcePageQuery.ts
@@ -1,6 +1,6 @@
 import type {Sort} from 'sentry/utils/discover/fields';
 import {useSpanTransactionMetrics} from 'sentry/views/insights/common/queries/useSpanTransactionMetrics';
-import {SpanMetricsField} from 'sentry/views/insights/types';
+import {SpanMetricsField, type SubregionCode} from 'sentry/views/insights/types';
 
 const {HTTP_RESPONSE_CONTENT_LENGTH, RESOURCE_RENDER_BLOCKING_STATUS} = SpanMetricsField;
 
@@ -9,8 +9,14 @@ export const useResourcePagesQuery = (
   {
     sort,
     cursor,
+    subregions,
     renderBlockingStatus,
-  }: {sort: Sort; cursor?: string; renderBlockingStatus?: string}
+  }: {
+    sort: Sort;
+    cursor?: string;
+    renderBlockingStatus?: string;
+    subregions?: SubregionCode[];
+  }
 ) => {
   return useSpanTransactionMetrics(
     {
@@ -18,6 +24,9 @@ export const useResourcePagesQuery = (
       ...(renderBlockingStatus
         ? {[RESOURCE_RENDER_BLOCKING_STATUS]: renderBlockingStatus}
         : {}),
+      ...(subregions
+        ? {[SpanMetricsField.USER_GEO_SUBREGION]: `[${subregions.join(',')}]`}
+        : {}),
     },
     [sort],
     cursor,
diff --git a/static/app/views/insights/browser/resources/utils/useResourceFilters.ts b/static/app/views/insights/browser/resources/utils/useResourceFilters.ts
index 293003df739af8..e8af6d8edc9d4f 100644
--- a/static/app/views/insights/browser/resources/utils/useResourceFilters.ts
+++ b/static/app/views/insights/browser/resources/utils/useResourceFilters.ts
@@ -1,8 +1,11 @@
 import pick from 'lodash/pick';
 
+import {decodeList} from 'sentry/utils/queryString';
 import {useLocation} from 'sentry/utils/useLocation';
 import type {ResourceSpanOps} from 'sentry/views/insights/browser/resources/types';
+import type {SubregionCode} from 'sentry/views/insights/types';
 
+// TODO - we should probably just use SpanMetricsField here
 export enum BrowserStarfishFields {
   SPAN_OP = 'span.op',
   TRANSACTION = 'transaction',
@@ -10,6 +13,7 @@ export enum BrowserStarfishFields {
   GROUP_ID = 'groupId',
   DESCRIPTION = 'description',
   RESOURCE_RENDER_BLOCKING_STATUS = 'resource.render_blocking_status',
+  USER_GEO_SUBREGION = 'user.geo.subregion',
 }
 
 export type ModuleFilters = {
@@ -22,12 +26,13 @@ export type ModuleFilters = {
   [BrowserStarfishFields.SPAN_OP]?: ResourceSpanOps;
   [BrowserStarfishFields.TRANSACTION]?: string;
   [BrowserStarfishFields.SPAN_DOMAIN]?: string;
+  [BrowserStarfishFields.USER_GEO_SUBREGION]?: SubregionCode[];
 };
 
 export const useResourceModuleFilters = () => {
   const location = useLocation<ModuleFilters>();
 
-  return pick(location.query, [
+  const filters = pick(location.query, [
     BrowserStarfishFields.SPAN_DOMAIN,
     BrowserStarfishFields.SPAN_OP,
     BrowserStarfishFields.TRANSACTION,
@@ -35,4 +40,13 @@ export const useResourceModuleFilters = () => {
     BrowserStarfishFields.DESCRIPTION,
     BrowserStarfishFields.RESOURCE_RENDER_BLOCKING_STATUS,
   ]);
+
+  const subregions = decodeList(
+    location.query[BrowserStarfishFields.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
+  if (subregions.length) {
+    filters[BrowserStarfishFields.USER_GEO_SUBREGION] = subregions;
+  }
+
+  return filters;
 };
diff --git a/static/app/views/insights/browser/resources/views/resourceSummaryPage.tsx b/static/app/views/insights/browser/resources/views/resourceSummaryPage.tsx
index 13ec3955160ed4..731c4e087ea7e5 100644
--- a/static/app/views/insights/browser/resources/views/resourceSummaryPage.tsx
+++ b/static/app/views/insights/browser/resources/views/resourceSummaryPage.tsx
@@ -29,6 +29,7 @@ import {ToolRibbon} from 'sentry/views/insights/common/components/ribbon';
 import {useSpanMetrics} from 'sentry/views/insights/common/queries/useDiscover';
 import {useModuleBreadcrumbs} from 'sentry/views/insights/common/utils/useModuleBreadcrumbs';
 import {useModuleURL} from 'sentry/views/insights/common/utils/useModuleURL';
+import SubregionSelector from 'sentry/views/insights/common/views/spans/selectors/subregionSelector';
 import {SampleList} from 'sentry/views/insights/common/views/spanSummaryPage/sampleList';
 import {ModuleName, SpanMetricsField} from 'sentry/views/insights/types';
 import {TraceViewSources} from 'sentry/views/performance/newTraceDetails/traceMetadataHeader';
@@ -55,6 +56,11 @@ function ResourceSummary() {
     {
       search: MutableSearch.fromQueryObject({
         'span.group': groupId,
+        ...(filters[SpanMetricsField.USER_GEO_SUBREGION]
+          ? {
+              [SpanMetricsField.USER_GEO_SUBREGION]: `[${filters[SpanMetricsField.USER_GEO_SUBREGION].join(',')}]`,
+            }
+          : {}),
       }),
       fields: [
         `avg(${SPAN_SELF_TIME})`,
@@ -123,6 +129,7 @@ function ResourceSummary() {
                   <RenderBlockingSelector
                     value={filters[RESOURCE_RENDER_BLOCKING_STATUS] || ''}
                   />
+                  <SubregionSelector />
                 </ToolRibbon>
                 <ResourceInfo
                   isLoading={isLoading}
@@ -154,6 +161,7 @@ function ResourceSummary() {
             <ModuleLayout.Full>
               <SampleList
                 transactionRoute={webVitalsModuleURL}
+                subregions={filters[SpanMetricsField.USER_GEO_SUBREGION]}
                 groupId={groupId}
                 moduleName={ModuleName.RESOURCE}
                 transactionName={transaction as string}
diff --git a/static/app/views/insights/browser/resources/views/resourcesLandingPage.tsx b/static/app/views/insights/browser/resources/views/resourcesLandingPage.tsx
index e5165a93406507..fdec8a379bd4e6 100644
--- a/static/app/views/insights/browser/resources/views/resourcesLandingPage.tsx
+++ b/static/app/views/insights/browser/resources/views/resourcesLandingPage.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, {Fragment} from 'react';
 import styled from '@emotion/styled';
 
 import {Breadcrumbs} from 'sentry/components/breadcrumbs';
@@ -27,6 +27,7 @@ import {ModulesOnboarding} from 'sentry/views/insights/common/components/modules
 import {ToolRibbon} from 'sentry/views/insights/common/components/ribbon';
 import {useModuleBreadcrumbs} from 'sentry/views/insights/common/utils/useModuleBreadcrumbs';
 import {DomainSelector} from 'sentry/views/insights/common/views/spans/selectors/domainSelector';
+import SubregionSelector from 'sentry/views/insights/common/views/spans/selectors/subregionSelector';
 import {ModuleName} from 'sentry/views/insights/types';
 
 const {SPAN_OP, SPAN_DOMAIN} = BrowserStarfishFields;
@@ -64,15 +65,18 @@ function ResourcesLandingPage() {
                 <ModulePageFilterBar
                   moduleName={ModuleName.RESOURCE}
                   extraFilters={
-                    <DomainSelector
-                      moduleName={ModuleName.RESOURCE}
-                      emptyOptionLocation="top"
-                      value={filters[SPAN_DOMAIN] || ''}
-                      additionalQuery={[
-                        ...DEFAULT_RESOURCE_FILTERS,
-                        `${SPAN_OP}:[${DEFAULT_RESOURCE_TYPES.join(',')}]`,
-                      ]}
-                    />
+                    <Fragment>
+                      <DomainSelector
+                        moduleName={ModuleName.RESOURCE}
+                        emptyOptionLocation="top"
+                        value={filters[SPAN_DOMAIN] || ''}
+                        additionalQuery={[
+                          ...DEFAULT_RESOURCE_FILTERS,
+                          `${SPAN_OP}:[${DEFAULT_RESOURCE_TYPES.join(',')}]`,
+                        ]}
+                      />
+                      <SubregionSelector />
+                    </Fragment>
                   }
                 />
               </ToolRibbon>
diff --git a/static/app/views/insights/browser/webVitals/components/charts/performanceScoreBreakdownChart.tsx b/static/app/views/insights/browser/webVitals/components/charts/performanceScoreBreakdownChart.tsx
index 556d4a96b12a54..e4a01c34f02080 100644
--- a/static/app/views/insights/browser/webVitals/components/charts/performanceScoreBreakdownChart.tsx
+++ b/static/app/views/insights/browser/webVitals/components/charts/performanceScoreBreakdownChart.tsx
@@ -15,9 +15,11 @@ import {applyStaticWeightsToTimeseries} from 'sentry/views/insights/browser/webV
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import {PERFORMANCE_SCORE_WEIGHTS} from 'sentry/views/insights/browser/webVitals/utils/scoreThresholds';
 import Chart, {ChartType} from 'sentry/views/insights/common/components/chart';
+import type {SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
+  subregions?: SubregionCode[];
   transaction?: string;
 };
 
@@ -43,14 +45,18 @@ export const formatTimeSeriesResultsToChartData = (
   });
 };
 
-export function PerformanceScoreBreakdownChart({transaction, browserTypes}: Props) {
+export function PerformanceScoreBreakdownChart({
+  transaction,
+  browserTypes,
+  subregions,
+}: Props) {
   const theme = useTheme();
   const segmentColors = [...theme.charts.getColorPalette(3).slice(0, 5)];
 
   const pageFilters = usePageFilters();
 
   const {data: timeseriesData, isLoading: isTimeseriesLoading} =
-    useProjectWebVitalsScoresTimeseriesQuery({transaction, browserTypes});
+    useProjectWebVitalsScoresTimeseriesQuery({transaction, browserTypes, subregions});
 
   const period = pageFilters.selection.datetime.period;
   const performanceScoreSubtext = (period && DEFAULT_RELATIVE_PERIODS[period]) ?? '';
diff --git a/static/app/views/insights/browser/webVitals/components/charts/performanceScoreChart.tsx b/static/app/views/insights/browser/webVitals/components/charts/performanceScoreChart.tsx
index 1cd529869a35cf..2786d92b71ecd5 100644
--- a/static/app/views/insights/browser/webVitals/components/charts/performanceScoreChart.tsx
+++ b/static/app/views/insights/browser/webVitals/components/charts/performanceScoreChart.tsx
@@ -17,11 +17,13 @@ import type {
   WebVitals,
 } from 'sentry/views/insights/browser/webVitals/types';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
+import type {SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
   isProjectScoreLoading?: boolean;
   projectScore?: ProjectScore;
+  subregions?: SubregionCode[];
   transaction?: string;
   webVital?: WebVitals | null;
 };
@@ -34,6 +36,7 @@ export function PerformanceScoreChart({
   transaction,
   isProjectScoreLoading,
   browserTypes,
+  subregions,
 }: Props) {
   const theme = useTheme();
   const pageFilters = usePageFilters();
@@ -100,6 +103,7 @@ export function PerformanceScoreChart({
       <PerformanceScoreBreakdownChart
         transaction={transaction}
         browserTypes={browserTypes}
+        subregions={subregions}
       />
     </Flex>
   );
diff --git a/static/app/views/insights/browser/webVitals/components/pageOverviewSidebar.tsx b/static/app/views/insights/browser/webVitals/components/pageOverviewSidebar.tsx
index 73fa3a0465c1b3..5b46dedc1d470d 100644
--- a/static/app/views/insights/browser/webVitals/components/pageOverviewSidebar.tsx
+++ b/static/app/views/insights/browser/webVitals/components/pageOverviewSidebar.tsx
@@ -22,6 +22,7 @@ import {useProjectRawWebVitalsValuesTimeseriesQuery} from 'sentry/views/insights
 import {MODULE_DOC_LINK} from 'sentry/views/insights/browser/webVitals/settings';
 import type {ProjectScore} from 'sentry/views/insights/browser/webVitals/types';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
+import type {SubregionCode} from 'sentry/views/insights/types';
 import {SidebarSpacer} from 'sentry/views/performance/transactionSummary/utils';
 
 const CHART_HEIGHTS = 100;
@@ -32,6 +33,7 @@ type Props = {
   projectScore?: ProjectScore;
   projectScoreIsLoading?: boolean;
   search?: string;
+  subregions?: SubregionCode[];
 };
 
 export function PageOverviewSidebar({
@@ -39,6 +41,7 @@ export function PageOverviewSidebar({
   transaction,
   projectScoreIsLoading,
   browserTypes,
+  subregions,
 }: Props) {
   const theme = useTheme();
   const router = useRouter();
@@ -62,6 +65,7 @@ export function PageOverviewSidebar({
     transaction,
     datetime: doubledDatetime,
     browserTypes,
+    subregions,
   });
 
   const {countDiff, currentSeries, currentCount, initialCount} = processSeriesData(
diff --git a/static/app/views/insights/browser/webVitals/components/pageOverviewWebVitalsDetailPanel.tsx b/static/app/views/insights/browser/webVitals/components/pageOverviewWebVitalsDetailPanel.tsx
index e01eff778827c7..a4606aa25c3726 100644
--- a/static/app/views/insights/browser/webVitals/components/pageOverviewWebVitalsDetailPanel.tsx
+++ b/static/app/views/insights/browser/webVitals/components/pageOverviewWebVitalsDetailPanel.tsx
@@ -39,7 +39,7 @@ import type {
 import decodeBrowserTypes from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import useProfileExists from 'sentry/views/insights/browser/webVitals/utils/useProfileExists';
 import DetailPanel from 'sentry/views/insights/common/components/detailPanel';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 import {TraceViewSources} from 'sentry/views/performance/newTraceDetails/traceMetadataHeader';
 import {generateReplayLink} from 'sentry/views/performance/transactionSummary/utils';
 
@@ -89,6 +89,9 @@ export function PageOverviewWebVitalsDetailPanel({
   const {replayExists} = useReplayExists();
 
   const browserTypes = decodeBrowserTypes(location.query[SpanIndexedField.BROWSER_NAME]);
+  const subregions = location.query[
+    SpanIndexedField.USER_GEO_SUBREGION
+  ] as SubregionCode[];
   const isInp = webVital === 'inp';
 
   const replayLinkGenerator = generateReplayLink(routes);
@@ -104,11 +107,16 @@ export function PageOverviewWebVitalsDetailPanel({
       : location.query.transaction
     : undefined;
 
-  const {data: projectData} = useProjectRawWebVitalsQuery({transaction, browserTypes});
+  const {data: projectData} = useProjectRawWebVitalsQuery({
+    transaction,
+    browserTypes,
+    subregions,
+  });
   const {data: projectScoresData} = useProjectWebVitalsScoresQuery({
     weightWebVital: webVital ?? 'total',
     transaction,
     browserTypes,
+    subregions,
   });
 
   const projectScore = calculatePerformanceScoreFromStoredTableDataRow(
@@ -121,6 +129,7 @@ export function PageOverviewWebVitalsDetailPanel({
       webVital,
       enabled: Boolean(webVital) && !isInp,
       browserTypes,
+      subregions,
     });
 
   const {data: inpTableData, isLoading: isInteractionsLoading} =
@@ -128,6 +137,7 @@ export function PageOverviewWebVitalsDetailPanel({
       transaction: transaction ?? '',
       enabled: Boolean(webVital) && isInp,
       browserTypes,
+      subregions,
     });
 
   const {profileExists} = useProfileExists(
@@ -135,7 +145,7 @@ export function PageOverviewWebVitalsDetailPanel({
   );
 
   const {data: timeseriesData, isLoading: isTimeseriesLoading} =
-    useProjectRawWebVitalsValuesTimeseriesQuery({transaction, browserTypes});
+    useProjectRawWebVitalsValuesTimeseriesQuery({transaction, browserTypes, subregions});
 
   const webVitalData: LineChartSeries = {
     data:
diff --git a/static/app/views/insights/browser/webVitals/components/tables/pagePerformanceTable.tsx b/static/app/views/insights/browser/webVitals/components/tables/pagePerformanceTable.tsx
index 458d16f3c34189..f9c4961e60dd8c 100644
--- a/static/app/views/insights/browser/webVitals/components/tables/pagePerformanceTable.tsx
+++ b/static/app/views/insights/browser/webVitals/components/tables/pagePerformanceTable.tsx
@@ -20,7 +20,7 @@ import type {Sort} from 'sentry/utils/discover/fields';
 import {parseFunction} from 'sentry/utils/discover/fields';
 import getDuration from 'sentry/utils/duration/getDuration';
 import {formatAbbreviatedNumber} from 'sentry/utils/formatters';
-import {decodeScalar} from 'sentry/utils/queryString';
+import {decodeList, decodeScalar} from 'sentry/utils/queryString';
 import {escapeFilterValue} from 'sentry/utils/tokenizeSearch';
 import {useLocation} from 'sentry/utils/useLocation';
 import useOrganization from 'sentry/utils/useOrganization';
@@ -31,7 +31,11 @@ import type {RowWithScoreAndOpportunity} from 'sentry/views/insights/browser/web
 import {SORTABLE_FIELDS} from 'sentry/views/insights/browser/webVitals/types';
 import decodeBrowserTypes from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import {useWebVitalsSort} from 'sentry/views/insights/browser/webVitals/utils/useWebVitalsSort';
-import {ModuleName, SpanIndexedField} from 'sentry/views/insights/types';
+import {
+  ModuleName,
+  SpanIndexedField,
+  type SubregionCode,
+} from 'sentry/views/insights/types';
 
 type Column = GridColumnHeader<keyof RowWithScoreAndOpportunity>;
 
@@ -67,6 +71,9 @@ export function PagePerformanceTable() {
 
   const query = decodeScalar(location.query.query, '');
   const browserTypes = decodeBrowserTypes(location.query[SpanIndexedField.BROWSER_NAME]);
+  const subregions = decodeList(
+    location.query[SpanIndexedField.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
 
   const sort = useWebVitalsSort({defaultSort: DEFAULT_SORT});
 
@@ -81,6 +88,7 @@ export function PagePerformanceTable() {
     defaultSort: DEFAULT_SORT,
     shouldEscapeFilters: false,
     browserTypes,
+    subregions,
   });
 
   const tableData: RowWithScoreAndOpportunity[] = data.map(row => ({
diff --git a/static/app/views/insights/browser/webVitals/components/tables/pageSamplePerformanceTable.tsx b/static/app/views/insights/browser/webVitals/components/tables/pageSamplePerformanceTable.tsx
index d1518740d1c39a..1fa66003400a67 100644
--- a/static/app/views/insights/browser/webVitals/components/tables/pageSamplePerformanceTable.tsx
+++ b/static/app/views/insights/browser/webVitals/components/tables/pageSamplePerformanceTable.tsx
@@ -23,7 +23,7 @@ import {generateLinkToEventInTraceView} from 'sentry/utils/discover/urls';
 import getDuration from 'sentry/utils/duration/getDuration';
 import {getShortEventId} from 'sentry/utils/events';
 import {generateProfileFlamechartRoute} from 'sentry/utils/profiling/routes';
-import {decodeScalar} from 'sentry/utils/queryString';
+import {decodeList, decodeScalar} from 'sentry/utils/queryString';
 import useReplayExists from 'sentry/utils/replayCount/useReplayExists';
 import {MutableSearch} from 'sentry/utils/tokenizeSearch';
 import {useLocation} from 'sentry/utils/useLocation';
@@ -46,7 +46,11 @@ import {
 import decodeBrowserTypes from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import useProfileExists from 'sentry/views/insights/browser/webVitals/utils/useProfileExists';
 import {useWebVitalsSort} from 'sentry/views/insights/browser/webVitals/utils/useWebVitalsSort';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {
+  SpanIndexedField,
+  SpanMetricsField,
+  type SubregionCode,
+} from 'sentry/views/insights/types';
 import {TraceViewSources} from 'sentry/views/performance/newTraceDetails/traceMetadataHeader';
 import {generateReplayLink} from 'sentry/views/performance/transactionSummary/utils';
 
@@ -102,6 +106,10 @@ export function PageSamplePerformanceTable({transaction, search, limit = 9}: Pro
   const router = useRouter();
 
   const browserTypes = decodeBrowserTypes(location.query[SpanIndexedField.BROWSER_NAME]);
+  const subregions = decodeList(
+    location.query[SpanMetricsField.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
+
   let datatype = Datatype.PAGELOADS;
   switch (decodeScalar(location.query[DATATYPE_KEY], 'pageloads')) {
     case 'interactions':
@@ -138,6 +146,7 @@ export function PageSamplePerformanceTable({transaction, search, limit = 9}: Pro
     withProfiles: true,
     enabled: datatype === Datatype.PAGELOADS,
     browserTypes,
+    subregions,
   });
 
   const {
@@ -150,6 +159,7 @@ export function PageSamplePerformanceTable({transaction, search, limit = 9}: Pro
     limit,
     filters: new MutableSearch(query ?? '').filters,
     browserTypes,
+    subregions,
   });
 
   const {profileExists} = useProfileExists(
diff --git a/static/app/views/insights/browser/webVitals/components/webVitalsDetailPanel.tsx b/static/app/views/insights/browser/webVitals/components/webVitalsDetailPanel.tsx
index 04d175fdd35c2e..9178d20a13e23a 100644
--- a/static/app/views/insights/browser/webVitals/components/webVitalsDetailPanel.tsx
+++ b/static/app/views/insights/browser/webVitals/components/webVitalsDetailPanel.tsx
@@ -16,6 +16,7 @@ import {trackAnalytics} from 'sentry/utils/analytics';
 import getDuration from 'sentry/utils/duration/getDuration';
 import {formatAbbreviatedNumber} from 'sentry/utils/formatters';
 import {PageAlert, PageAlertProvider} from 'sentry/utils/performance/contexts/pageAlert';
+import {decodeList} from 'sentry/utils/queryString';
 import {useLocation} from 'sentry/utils/useLocation';
 import useOrganization from 'sentry/utils/useOrganization';
 import {WebVitalStatusLineChart} from 'sentry/views/insights/browser/webVitals/components/charts/webVitalStatusLineChart';
@@ -34,7 +35,7 @@ import type {
 } from 'sentry/views/insights/browser/webVitals/types';
 import decodeBrowserTypes from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import DetailPanel from 'sentry/views/insights/common/components/detailPanel';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Column = GridColumnHeader;
 
@@ -60,11 +61,15 @@ export function WebVitalsDetailPanel({
   const location = useLocation();
   const organization = useOrganization();
   const browserTypes = decodeBrowserTypes(location.query[SpanIndexedField.BROWSER_NAME]);
+  const subregions = decodeList(
+    location.query[SpanIndexedField.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
 
-  const {data: projectData} = useProjectRawWebVitalsQuery({browserTypes});
+  const {data: projectData} = useProjectRawWebVitalsQuery({browserTypes, subregions});
   const {data: projectScoresData} = useProjectWebVitalsScoresQuery({
     weightWebVital: webVital ?? 'total',
     browserTypes,
+    subregions,
   });
 
   const projectScore = calculatePerformanceScoreFromStoredTableDataRow(
@@ -85,6 +90,7 @@ export function WebVitalsDetailPanel({
     enabled: webVital !== null,
     sortName: 'webVitalsDetailPanelSort',
     browserTypes,
+    subregions,
   });
 
   const dataByOpportunity = useMemo(() => {
@@ -116,7 +122,7 @@ export function WebVitalsDetailPanel({
   }, [data, projectScoresData?.data, webVital]);
 
   const {data: timeseriesData, isLoading: isTimeseriesLoading} =
-    useProjectRawWebVitalsValuesTimeseriesQuery({browserTypes});
+    useProjectRawWebVitalsValuesTimeseriesQuery({browserTypes, subregions});
 
   const webVitalData: LineChartSeries = {
     data:
diff --git a/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsQuery.tsx b/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsQuery.tsx
index e314e1573dc001..c4d8bce8e6f87f 100644
--- a/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsQuery.tsx
@@ -8,11 +8,12 @@ import useOrganization from 'sentry/utils/useOrganization';
 import usePageFilters from 'sentry/utils/usePageFilters';
 import {DEFAULT_QUERY_FILTER} from 'sentry/views/insights/browser/webVitals/settings';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanMetricsField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
   dataset?: DiscoverDatasets;
+  subregions?: SubregionCode[];
   tag?: Tag;
   transaction?: string;
 };
@@ -22,6 +23,7 @@ export const useProjectRawWebVitalsQuery = ({
   tag,
   dataset,
   browserTypes,
+  subregions,
 }: Props = {}) => {
   const organization = useOrganization();
   const pageFilters = usePageFilters();
@@ -33,8 +35,11 @@ export const useProjectRawWebVitalsQuery = ({
   if (tag) {
     search.addFilterValue(tag.key, tag.name);
   }
+  if (subregions) {
+    search.addDisjunctionFilterValues(SpanMetricsField.USER_GEO_SUBREGION, subregions);
+  }
   if (browserTypes) {
-    search.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
+    search.addDisjunctionFilterValues(SpanMetricsField.BROWSER_NAME, browserTypes);
   }
 
   const projectEventView = EventView.fromNewQueryWithPageFilters(
diff --git a/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsValuesTimeseriesQuery.tsx b/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsValuesTimeseriesQuery.tsx
index 818b737a9ff98d..5d7e5bd4187cbd 100644
--- a/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsValuesTimeseriesQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/rawWebVitalsQueries/useProjectRawWebVitalsValuesTimeseriesQuery.tsx
@@ -12,11 +12,12 @@ import useOrganization from 'sentry/utils/useOrganization';
 import usePageFilters from 'sentry/utils/usePageFilters';
 import {DEFAULT_QUERY_FILTER} from 'sentry/views/insights/browser/webVitals/settings';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
   datetime?: PageFilters['datetime'];
+  subregions?: SubregionCode[];
   transaction?: string | null;
 };
 
@@ -24,6 +25,7 @@ export const useProjectRawWebVitalsValuesTimeseriesQuery = ({
   transaction,
   datetime,
   browserTypes,
+  subregions,
 }: Props) => {
   const pageFilters = usePageFilters();
   const location = useLocation();
@@ -35,6 +37,9 @@ export const useProjectRawWebVitalsValuesTimeseriesQuery = ({
   if (browserTypes) {
     search.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
   }
+  if (subregions) {
+    search.addDisjunctionFilterValues(SpanIndexedField.USER_GEO_SUBREGION, subregions);
+  }
   const projectTimeSeriesEventView = EventView.fromNewQueryWithPageFilters(
     {
       yAxis: [
diff --git a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresQuery.tsx b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresQuery.tsx
index a6581316185e00..f9230d8b4dee81 100644
--- a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresQuery.tsx
@@ -9,12 +9,13 @@ import usePageFilters from 'sentry/utils/usePageFilters';
 import {DEFAULT_QUERY_FILTER} from 'sentry/views/insights/browser/webVitals/settings';
 import type {WebVitals} from 'sentry/views/insights/browser/webVitals/types';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
   dataset?: DiscoverDatasets;
   enabled?: boolean;
+  subregions?: SubregionCode[];
   tag?: Tag;
   transaction?: string;
   weightWebVital?: WebVitals | 'total';
@@ -27,6 +28,7 @@ export const useProjectWebVitalsScoresQuery = ({
   enabled = true,
   weightWebVital = 'total',
   browserTypes,
+  subregions,
 }: Props = {}) => {
   const organization = useOrganization();
   const pageFilters = usePageFilters();
@@ -42,6 +44,9 @@ export const useProjectWebVitalsScoresQuery = ({
   if (browserTypes) {
     search.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
   }
+  if (subregions) {
+    search.addDisjunctionFilterValues(SpanIndexedField.USER_GEO_SUBREGION, subregions);
+  }
 
   const projectEventView = EventView.fromNewQueryWithPageFilters(
     {
diff --git a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresTimeseriesQuery.tsx b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresTimeseriesQuery.tsx
index f01985d8035811..ef739b0917c0a3 100644
--- a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresTimeseriesQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useProjectWebVitalsScoresTimeseriesQuery.tsx
@@ -12,11 +12,12 @@ import useOrganization from 'sentry/utils/useOrganization';
 import usePageFilters from 'sentry/utils/usePageFilters';
 import {DEFAULT_QUERY_FILTER} from 'sentry/views/insights/browser/webVitals/settings';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanMetricsField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
   enabled?: boolean;
+  subregions?: SubregionCode[];
   tag?: Tag;
   transaction?: string | null;
   weighted?: boolean;
@@ -44,6 +45,7 @@ export const useProjectWebVitalsScoresTimeseriesQuery = ({
   tag,
   enabled = true,
   browserTypes,
+  subregions,
 }: Props) => {
   const pageFilters = usePageFilters();
   const location = useLocation();
@@ -55,8 +57,11 @@ export const useProjectWebVitalsScoresTimeseriesQuery = ({
   if (transaction) {
     search.addFilterValue('transaction', transaction);
   }
+  if (subregions) {
+    search.addDisjunctionFilterValues(SpanMetricsField.USER_GEO_SUBREGION, subregions);
+  }
   if (browserTypes) {
-    search.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
+    search.addDisjunctionFilterValues(SpanMetricsField.BROWSER_NAME, browserTypes);
   }
   const projectTimeSeriesEventView = EventView.fromNewQueryWithPageFilters(
     {
diff --git a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionSamplesWebVitalsScoresQuery.tsx b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionSamplesWebVitalsScoresQuery.tsx
index 2596843796fdfc..0ffb4c01f0e211 100644
--- a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionSamplesWebVitalsScoresQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionSamplesWebVitalsScoresQuery.tsx
@@ -17,7 +17,7 @@ import {
 import {mapWebVitalToOrderBy} from 'sentry/views/insights/browser/webVitals/utils/mapWebVitalToOrderBy';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import {useWebVitalsSort} from 'sentry/views/insights/browser/webVitals/utils/useWebVitalsSort';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   transaction: string;
@@ -27,6 +27,7 @@ type Props = {
   orderBy?: WebVitals | null;
   query?: string;
   sortName?: string;
+  subregions?: SubregionCode[];
   webVital?: WebVitals;
   withProfiles?: boolean;
 };
@@ -41,6 +42,7 @@ export const useTransactionSamplesWebVitalsScoresQuery = ({
   sortName,
   webVital,
   browserTypes,
+  subregions,
 }: Props) => {
   const organization = useOrganization();
   const pageFilters = usePageFilters();
@@ -64,6 +66,12 @@ export const useTransactionSamplesWebVitalsScoresQuery = ({
   if (browserTypes) {
     mutableSearch.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
   }
+  if (subregions) {
+    mutableSearch.addDisjunctionFilterValues(
+      SpanIndexedField.USER_GEO_SUBREGION,
+      subregions
+    );
+  }
 
   const eventView = EventView.fromNewQueryWithPageFilters(
     {
diff --git a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionWebVitalsScoresQuery.tsx b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionWebVitalsScoresQuery.tsx
index 1f49591c469722..ae5c468d3bbef4 100644
--- a/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionWebVitalsScoresQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/storedScoreQueries/useTransactionWebVitalsScoresQuery.tsx
@@ -14,7 +14,7 @@ import type {
 } from 'sentry/views/insights/browser/webVitals/types';
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import {useWebVitalsSort} from 'sentry/views/insights/browser/webVitals/utils/useWebVitalsSort';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes?: BrowserType[];
@@ -24,6 +24,7 @@ type Props = {
   query?: string;
   shouldEscapeFilters?: boolean;
   sortName?: string;
+  subregions?: SubregionCode[];
   transaction?: string | null;
   webVital?: WebVitals | 'total';
 };
@@ -38,6 +39,7 @@ export const useTransactionWebVitalsScoresQuery = ({
   query,
   shouldEscapeFilters = true,
   browserTypes,
+  subregions,
 }: Props) => {
   const organization = useOrganization();
   const pageFilters = usePageFilters();
@@ -63,6 +65,10 @@ export const useTransactionWebVitalsScoresQuery = ({
   if (browserTypes) {
     search.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
   }
+  if (subregions) {
+    search.addDisjunctionFilterValues(SpanIndexedField.USER_GEO_SUBREGION, subregions);
+  }
+
   const eventView = EventView.fromNewQueryWithPageFilters(
     {
       fields: [
diff --git a/static/app/views/insights/browser/webVitals/queries/useInpSpanSamplesWebVitalsQuery.tsx b/static/app/views/insights/browser/webVitals/queries/useInpSpanSamplesWebVitalsQuery.tsx
index e4b3dfe2f29054..70e2ddc6c260b7 100644
--- a/static/app/views/insights/browser/webVitals/queries/useInpSpanSamplesWebVitalsQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/useInpSpanSamplesWebVitalsQuery.tsx
@@ -7,7 +7,7 @@ import {
 import type {BrowserType} from 'sentry/views/insights/browser/webVitals/utils/queryParameterDecoders/browserType';
 import {useWebVitalsSort} from 'sentry/views/insights/browser/webVitals/utils/useWebVitalsSort';
 import {useSpansIndexed} from 'sentry/views/insights/common/queries/useDiscover';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 
 export function useInpSpanSamplesWebVitalsQuery({
   transaction,
@@ -16,12 +16,14 @@ export function useInpSpanSamplesWebVitalsQuery({
   filters = {},
   sortName,
   browserTypes,
+  subregions,
 }: {
   limit: number;
   browserTypes?: BrowserType[];
   enabled?: boolean;
   filters?: {[key: string]: string[] | string | number | undefined};
   sortName?: string;
+  subregions?: SubregionCode[];
   transaction?: string;
 }) {
   const filteredSortableFields = SORTABLE_INDEXED_INTERACTION_FIELDS;
@@ -44,6 +46,12 @@ export function useInpSpanSamplesWebVitalsQuery({
   if (browserTypes) {
     mutableSearch.addDisjunctionFilterValues(SpanIndexedField.BROWSER_NAME, browserTypes);
   }
+  if (subregions) {
+    mutableSearch.addDisjunctionFilterValues(
+      SpanIndexedField.USER_GEO_SUBREGION,
+      subregions
+    );
+  }
 
   const {data, isLoading, ...rest} = useSpansIndexed(
     {
diff --git a/static/app/views/insights/browser/webVitals/queries/useInteractionsCategorizedSamplesQuery.tsx b/static/app/views/insights/browser/webVitals/queries/useInteractionsCategorizedSamplesQuery.tsx
index f15242aafd330e..7218d954fe680d 100644
--- a/static/app/views/insights/browser/webVitals/queries/useInteractionsCategorizedSamplesQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/useInteractionsCategorizedSamplesQuery.tsx
@@ -5,10 +5,12 @@ import {
   PERFORMANCE_SCORE_MEDIANS,
   PERFORMANCE_SCORE_P90S,
 } from 'sentry/views/insights/browser/webVitals/utils/scoreThresholds';
+import type {SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes: BrowserType[];
   enabled: boolean;
+  subregions: SubregionCode[];
   transaction: string;
 };
 
@@ -16,6 +18,7 @@ export function useInteractionsCategorizedSamplesQuery({
   transaction,
   enabled,
   browserTypes,
+  subregions,
 }: Props) {
   const {data: goodData, isFetching: isGoodDataLoading} = useInpSpanSamplesWebVitalsQuery(
     {
@@ -26,6 +29,7 @@ export function useInteractionsCategorizedSamplesQuery({
         'measurements.inp': `<${PERFORMANCE_SCORE_P90S.inp}`,
       },
       browserTypes,
+      subregions,
     }
   );
   const {data: mehData, isFetching: isMehDataLoading} = useInpSpanSamplesWebVitalsQuery({
@@ -39,6 +43,7 @@ export function useInteractionsCategorizedSamplesQuery({
       ],
     },
     browserTypes,
+    subregions,
   });
   const {data: poorData, isFetching: isBadDataLoading} = useInpSpanSamplesWebVitalsQuery({
     transaction,
@@ -48,6 +53,7 @@ export function useInteractionsCategorizedSamplesQuery({
       'measurements.inp': `>=${PERFORMANCE_SCORE_MEDIANS.inp}`,
     },
     browserTypes,
+    subregions,
   });
 
   const data = [...goodData, ...mehData, ...poorData];
diff --git a/static/app/views/insights/browser/webVitals/queries/useTransactionsCategorizedSamplesQuery.tsx b/static/app/views/insights/browser/webVitals/queries/useTransactionsCategorizedSamplesQuery.tsx
index 96d4be3cc26d18..1de8fa94159734 100644
--- a/static/app/views/insights/browser/webVitals/queries/useTransactionsCategorizedSamplesQuery.tsx
+++ b/static/app/views/insights/browser/webVitals/queries/useTransactionsCategorizedSamplesQuery.tsx
@@ -8,10 +8,12 @@ import {
   PERFORMANCE_SCORE_MEDIANS,
   PERFORMANCE_SCORE_P90S,
 } from 'sentry/views/insights/browser/webVitals/utils/scoreThresholds';
+import type {SubregionCode} from 'sentry/views/insights/types';
 
 type Props = {
   browserTypes: BrowserType[];
   enabled: boolean;
+  subregions: SubregionCode[];
   transaction: string;
   webVital: WebVitals | null;
 };
@@ -21,6 +23,7 @@ export function useTransactionsCategorizedSamplesQuery({
   webVital,
   enabled,
   browserTypes,
+  subregions,
 }: Props) {
   const {data: goodData, isLoading: isGoodTransactionWebVitalsQueryLoading} =
     useTransactionSamplesWebVitalsScoresQuery({
@@ -34,6 +37,7 @@ export function useTransactionsCategorizedSamplesQuery({
       sortName: 'webVitalSort',
       webVital: webVital ?? undefined,
       browserTypes,
+      subregions,
     });
 
   const {data: mehData, isLoading: isMehTransactionWebVitalsQueryLoading} =
@@ -48,6 +52,7 @@ export function useTransactionsCategorizedSamplesQuery({
       sortName: 'webVitalSort',
       webVital: webVital ?? undefined,
       browserTypes,
+      subregions,
     });
 
   const {data: poorData, isLoading: isPoorTransactionWebVitalsQueryLoading} =
@@ -62,6 +67,7 @@ export function useTransactionsCategorizedSamplesQuery({
       sortName: 'webVitalSort',
       webVital: webVital ?? undefined,
       browserTypes,
+      subregions,
     });
 
   const data = [...goodData, ...mehData, ...poorData];
diff --git a/static/app/views/insights/browser/webVitals/views/pageOverview.tsx b/static/app/views/insights/browser/webVitals/views/pageOverview.tsx
index fefdc0ade738ec..55bfe0d83c8739 100644
--- a/static/app/views/insights/browser/webVitals/views/pageOverview.tsx
+++ b/static/app/views/insights/browser/webVitals/views/pageOverview.tsx
@@ -19,7 +19,7 @@ import {space} from 'sentry/styles/space';
 import {defined} from 'sentry/utils';
 import {trackAnalytics} from 'sentry/utils/analytics';
 import {browserHistory} from 'sentry/utils/browserHistory';
-import {decodeScalar} from 'sentry/utils/queryString';
+import {decodeList, decodeScalar} from 'sentry/utils/queryString';
 import {useLocation} from 'sentry/utils/useLocation';
 import useOrganization from 'sentry/utils/useOrganization';
 import useProjects from 'sentry/utils/useProjects';
@@ -38,7 +38,8 @@ import decodeBrowserTypes from 'sentry/views/insights/browser/webVitals/utils/qu
 import {ModulePageProviders} from 'sentry/views/insights/common/components/modulePageProviders';
 import {useModuleBreadcrumbs} from 'sentry/views/insights/common/utils/useModuleBreadcrumbs';
 import {useModuleURL} from 'sentry/views/insights/common/utils/useModuleURL';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import SubregionSelector from 'sentry/views/insights/common/views/spans/selectors/subregionSelector';
+import {SpanIndexedField, type SubregionCode} from 'sentry/views/insights/types';
 import {transactionSummaryRouteWithQuery} from 'sentry/views/performance/transactionSummary/utils';
 
 export enum LandingDisplayField {
@@ -94,13 +95,17 @@ export function PageOverview() {
 
   const query = decodeScalar(location.query.query);
   const browserTypes = decodeBrowserTypes(location.query[SpanIndexedField.BROWSER_NAME]);
+  const subregions = decodeList(
+    location.query[SpanIndexedField.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
 
   const {data: pageData, isLoading} = useProjectRawWebVitalsQuery({
     transaction,
     browserTypes,
+    subregions,
   });
   const {data: projectScores, isLoading: isProjectScoresLoading} =
-    useProjectWebVitalsScoresQuery({transaction, browserTypes});
+    useProjectWebVitalsScoresQuery({transaction, browserTypes, subregions});
 
   if (transaction === undefined) {
     // redirect user to webvitals landing page
@@ -192,6 +197,7 @@ export function PageOverview() {
                   <DatePageFilter />
                 </PageFilterBar>
                 <BrowserTypeSelector />
+                <SubregionSelector />
               </TopMenuContainer>
               <Flex>
                 <PerformanceScoreBreakdownChart transaction={transaction} />
@@ -225,6 +231,7 @@ export function PageOverview() {
                 transaction={transaction}
                 projectScoreIsLoading={isLoading}
                 browserTypes={browserTypes}
+                subregions={subregions}
               />
             </Layout.Side>
           </Layout.Body>
diff --git a/static/app/views/insights/browser/webVitals/views/webVitalsLandingPage.tsx b/static/app/views/insights/browser/webVitals/views/webVitalsLandingPage.tsx
index b27ee751253748..4503787bf9d808 100644
--- a/static/app/views/insights/browser/webVitals/views/webVitalsLandingPage.tsx
+++ b/static/app/views/insights/browser/webVitals/views/webVitalsLandingPage.tsx
@@ -13,6 +13,7 @@ import {PageHeadingQuestionTooltip} from 'sentry/components/pageHeadingQuestionT
 import {Tooltip} from 'sentry/components/tooltip';
 import {t, tct} from 'sentry/locale';
 import {space} from 'sentry/styles/space';
+import {decodeList} from 'sentry/utils/queryString';
 import {useLocation} from 'sentry/utils/useLocation';
 import useRouter from 'sentry/utils/useRouter';
 import BrowserTypeSelector from 'sentry/views/insights/browser/webVitals/components/browserTypeSelector';
@@ -35,7 +36,11 @@ import {ModulePageProviders} from 'sentry/views/insights/common/components/modul
 import {ModulesOnboarding} from 'sentry/views/insights/common/components/modulesOnboarding';
 import {useModuleBreadcrumbs} from 'sentry/views/insights/common/utils/useModuleBreadcrumbs';
 import SubregionSelector from 'sentry/views/insights/common/views/spans/selectors/subregionSelector';
-import {ModuleName, SpanIndexedField} from 'sentry/views/insights/types';
+import {
+  ModuleName,
+  SpanMetricsField,
+  type SubregionCode,
+} from 'sentry/views/insights/types';
 
 export function WebVitalsLandingPage() {
   const location = useLocation();
@@ -46,11 +51,17 @@ export function WebVitalsLandingPage() {
     webVital: (location.query.webVital as WebVitals) ?? null,
   });
 
-  const browserTypes = decodeBrowserTypes(location.query[SpanIndexedField.BROWSER_NAME]);
+  const browserTypes = decodeBrowserTypes(location.query[SpanMetricsField.BROWSER_NAME]);
+  const subregions = decodeList(
+    location.query[SpanMetricsField.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
 
-  const {data: projectData, isLoading} = useProjectRawWebVitalsQuery({browserTypes});
+  const {data: projectData, isLoading} = useProjectRawWebVitalsQuery({
+    browserTypes,
+    subregions,
+  });
   const {data: projectScores, isLoading: isProjectScoresLoading} =
-    useProjectWebVitalsScoresQuery({browserTypes});
+    useProjectWebVitalsScoresQuery({browserTypes, subregions});
 
   const projectScore =
     isProjectScoresLoading || isLoading
@@ -101,6 +112,7 @@ export function WebVitalsLandingPage() {
                   isProjectScoreLoading={isLoading || isProjectScoresLoading}
                   webVital={state.webVital}
                   browserTypes={browserTypes}
+                  subregions={subregions}
                 />
               </PerformanceScoreChartContainer>
               <WebVitalMetersContainer>
diff --git a/static/app/views/insights/common/components/spanGroupDetailsLink.tsx b/static/app/views/insights/common/components/spanGroupDetailsLink.tsx
index a5aa3dfd8e69ae..de279bdd41a11e 100644
--- a/static/app/views/insights/common/components/spanGroupDetailsLink.tsx
+++ b/static/app/views/insights/common/components/spanGroupDetailsLink.tsx
@@ -11,8 +11,10 @@ const {SPAN_OP} = SpanMetricsField;
 
 interface Props {
   description: React.ReactNode;
+  // extra query params to add to the link
   moduleName: ModuleName.DB | ModuleName.RESOURCE;
   projectId: number;
+  extraLinkQueryParams?: Record<string, string>;
   group?: string;
   spanOp?: string;
 }
@@ -23,6 +25,7 @@ export function SpanGroupDetailsLink({
   projectId,
   spanOp,
   description,
+  extraLinkQueryParams,
 }: Props) {
   const location = useLocation();
 
@@ -32,6 +35,7 @@ export function SpanGroupDetailsLink({
     ...location.query,
     project: projectId,
     ...(spanOp ? {[SPAN_OP]: spanOp} : {}),
+    ...(extraLinkQueryParams ? extraLinkQueryParams : {}),
   };
 
   return (
diff --git a/static/app/views/insights/common/components/tableCells/spanDescriptionCell.tsx b/static/app/views/insights/common/components/tableCells/spanDescriptionCell.tsx
index da5c81914fbf51..d0d60c07754faa 100644
--- a/static/app/views/insights/common/components/tableCells/spanDescriptionCell.tsx
+++ b/static/app/views/insights/common/components/tableCells/spanDescriptionCell.tsx
@@ -17,6 +17,7 @@ interface Props {
   description: string;
   moduleName: ModuleName.DB | ModuleName.RESOURCE;
   projectId: number;
+  extraLinkQueryParams?: Record<string, string>; // extra query params to add to the link
   group?: string;
   spanOp?: string;
 }
@@ -27,6 +28,7 @@ export function SpanDescriptionCell({
   moduleName,
   spanOp,
   projectId,
+  extraLinkQueryParams,
 }: Props) {
   const formatterDescription = useMemo(() => {
     if (moduleName !== ModuleName.DB) {
@@ -47,6 +49,7 @@ export function SpanDescriptionCell({
       projectId={projectId}
       spanOp={spanOp}
       description={formatterDescription}
+      extraLinkQueryParams={extraLinkQueryParams}
     />
   );
 
diff --git a/static/app/views/insights/common/queries/useSpanSamples.tsx b/static/app/views/insights/common/queries/useSpanSamples.tsx
index 50b8bbb2d3c646..79aa6b36f98173 100644
--- a/static/app/views/insights/common/queries/useSpanSamples.tsx
+++ b/static/app/views/insights/common/queries/useSpanSamples.tsx
@@ -14,8 +14,9 @@ import {getDateConditions} from 'sentry/views/insights/common/utils/getDateCondi
 import type {
   SpanIndexedFieldTypes,
   SpanMetricsQueryFilters,
+  SubregionCode,
 } from 'sentry/views/insights/types';
-import {SpanIndexedField} from 'sentry/views/insights/types';
+import {SpanIndexedField, SpanMetricsField} from 'sentry/views/insights/types';
 
 const {SPAN_SELF_TIME, SPAN_GROUP} = SpanIndexedField;
 
@@ -25,6 +26,7 @@ type Options = {
   additionalFields?: string[];
   release?: string;
   spanSearch?: MutableSearch;
+  subregions?: SubregionCode[];
   transactionMethod?: string;
 };
 
@@ -52,6 +54,7 @@ export const useSpanSamples = (options: Options) => {
     release,
     spanSearch,
     additionalFields,
+    subregions,
   } = options;
   const location = useLocation();
 
@@ -73,6 +76,11 @@ export const useSpanSamples = (options: Options) => {
     filters.release = release;
   }
 
+  if (subregions) {
+    query.addDisjunctionFilterValues(SpanMetricsField.USER_GEO_SUBREGION, subregions);
+    filters[SpanMetricsField.USER_GEO_SUBREGION] = `[${subregions.join(',')}]`;
+  }
+
   const dateCondtions = getDateConditions(pageFilter.selection);
 
   const {isLoading: isLoadingSeries, data: spanMetricsSeriesData} = useSpanMetricsSeries(
@@ -103,6 +111,7 @@ export const useSpanSamples = (options: Options) => {
       dateCondtions.start,
       dateCondtions.end,
       queryString,
+      subregions?.join(','),
       additionalFields?.join(','),
     ],
     queryFn: async () => {
diff --git a/static/app/views/insights/common/views/spanSummaryPage/sampleList/durationChart/index.tsx b/static/app/views/insights/common/views/spanSummaryPage/sampleList/durationChart/index.tsx
index 6150796205960d..53963136921444 100644
--- a/static/app/views/insights/common/views/spanSummaryPage/sampleList/durationChart/index.tsx
+++ b/static/app/views/insights/common/views/spanSummaryPage/sampleList/durationChart/index.tsx
@@ -16,7 +16,7 @@ import type {SpanSample} from 'sentry/views/insights/common/queries/useSpanSampl
 import {useSpanSamples} from 'sentry/views/insights/common/queries/useSpanSamples';
 import {AverageValueMarkLine} from 'sentry/views/insights/common/utils/averageValueMarkLine';
 import {useSampleScatterPlotSeries} from 'sentry/views/insights/common/views/spanSummaryPage/sampleList/durationChart/useSampleScatterPlotSeries';
-import type {SpanMetricsQueryFilters} from 'sentry/views/insights/types';
+import type {SpanMetricsQueryFilters, SubregionCode} from 'sentry/views/insights/types';
 import {SpanMetricsField} from 'sentry/views/insights/types';
 
 const {SPAN_SELF_TIME, SPAN_OP} = SpanMetricsField;
@@ -34,6 +34,7 @@ type Props = {
   release?: string;
   spanDescription?: string;
   spanSearch?: MutableSearch;
+  subregions?: SubregionCode[];
   transactionMethod?: string;
 };
 
@@ -49,6 +50,7 @@ function DurationChart({
   release,
   spanSearch,
   platform,
+  subregions,
   additionalFilters,
 }: Props) {
   const {setPageError} = usePageAlert();
@@ -67,6 +69,10 @@ function DurationChart({
     filters.release = release;
   }
 
+  if (subregions) {
+    filters[SpanMetricsField.USER_GEO_SUBREGION] = `[${subregions.join(',')}]`;
+  }
+
   if (platform) {
     filters['os.name'] = platform;
   }
diff --git a/static/app/views/insights/common/views/spanSummaryPage/sampleList/index.tsx b/static/app/views/insights/common/views/spanSummaryPage/sampleList/index.tsx
index 2a251c8075498a..eab55f44306304 100644
--- a/static/app/views/insights/common/views/spanSummaryPage/sampleList/index.tsx
+++ b/static/app/views/insights/common/views/spanSummaryPage/sampleList/index.tsx
@@ -33,6 +33,7 @@ import {
   ModuleName,
   SpanIndexedField,
   SpanMetricsField,
+  type SubregionCode,
 } from 'sentry/views/insights/types';
 import {useSpanFieldSupportedTags} from 'sentry/views/performance/utils/useSpanFieldSupportedTags';
 
@@ -44,6 +45,7 @@ type Props = {
   transactionName: string;
   onClose?: () => void;
   referrer?: string;
+  subregions?: SubregionCode[];
   transactionMethod?: string;
   transactionRoute?: string;
 };
@@ -53,6 +55,7 @@ export function SampleList({
   moduleName,
   transactionName,
   transactionMethod,
+  subregions,
   onClose,
   transactionRoute = '/performance/summary/',
   referrer,
@@ -193,12 +196,14 @@ export function SampleList({
           groupId={groupId}
           transactionName={transactionName}
           transactionMethod={transactionMethod}
+          subregions={subregions}
         />
 
         <DurationChart
           groupId={groupId}
           transactionName={transactionName}
           transactionMethod={transactionMethod}
+          subregions={subregions}
           additionalFields={additionalFields}
           onClickSample={span => {
             router.push(
@@ -240,6 +245,7 @@ export function SampleList({
           groupId={groupId}
           moduleName={moduleName}
           transactionName={transactionName}
+          subregions={subregions}
           spanSearch={spanSearch}
           columnOrder={columnOrder}
           additionalFields={additionalFields}
diff --git a/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleInfo/index.tsx b/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleInfo/index.tsx
index 82c7eea277fd1c..49f876e7941cba 100644
--- a/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleInfo/index.tsx
+++ b/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleInfo/index.tsx
@@ -12,18 +12,19 @@ import {
   DataTitles,
   getThroughputTitle,
 } from 'sentry/views/insights/common/views/spans/types';
-import type {SpanMetricsQueryFilters} from 'sentry/views/insights/types';
+import type {SpanMetricsQueryFilters, SubregionCode} from 'sentry/views/insights/types';
 import {SpanMetricsField} from 'sentry/views/insights/types';
 
 type Props = {
   groupId: string;
   transactionName: string;
   displayedMetrics?: string[];
+  subregions?: SubregionCode[];
   transactionMethod?: string;
 };
 
 function SampleInfo(props: Props) {
-  const {groupId, transactionName, transactionMethod} = props;
+  const {groupId, transactionName, transactionMethod, subregions} = props;
   const {setPageError} = usePageAlert();
 
   const ribbonFilters: SpanMetricsQueryFilters = {
@@ -35,6 +36,10 @@ function SampleInfo(props: Props) {
     ribbonFilters['transaction.method'] = transactionMethod;
   }
 
+  if (subregions) {
+    ribbonFilters[SpanMetricsField.USER_GEO_SUBREGION] = `[${subregions.join(',')}]`;
+  }
+
   const {data, error, isLoading} = useSpanMetrics(
     {
       search: MutableSearch.fromQueryObject(ribbonFilters),
diff --git a/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleTable/sampleTable.tsx b/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleTable/sampleTable.tsx
index c354e482d77ab9..d345de1c33d402 100644
--- a/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleTable/sampleTable.tsx
+++ b/static/app/views/insights/common/views/spanSummaryPage/sampleList/sampleTable/sampleTable.tsx
@@ -15,7 +15,11 @@ import {useSpanMetrics} from 'sentry/views/insights/common/queries/useDiscover';
 import type {SpanSample} from 'sentry/views/insights/common/queries/useSpanSamples';
 import {useSpanSamples} from 'sentry/views/insights/common/queries/useSpanSamples';
 import {useTransactions} from 'sentry/views/insights/common/queries/useTransactions';
-import type {ModuleName, SpanMetricsQueryFilters} from 'sentry/views/insights/types';
+import type {
+  ModuleName,
+  SpanMetricsQueryFilters,
+  SubregionCode,
+} from 'sentry/views/insights/types';
 import {SpanMetricsField} from 'sentry/views/insights/types';
 
 const {SPAN_SELF_TIME, SPAN_OP} = SpanMetricsField;
@@ -35,6 +39,7 @@ type Props = {
   referrer?: string;
   release?: string;
   spanSearch?: MutableSearch;
+  subregions?: SubregionCode[];
   transactionMethod?: string;
 };
 
@@ -51,6 +56,7 @@ function SampleTable({
   spanSearch,
   additionalFields,
   additionalFilters,
+  subregions,
   referrer,
 }: Props) {
   const filters: SpanMetricsQueryFilters = {
@@ -66,6 +72,10 @@ function SampleTable({
     filters.release = release;
   }
 
+  if (subregions) {
+    filters[SpanMetricsField.USER_GEO_SUBREGION] = `[${subregions.join(',')}]`;
+  }
+
   const {data, isFetching: isFetchingSpanMetrics} = useSpanMetrics(
     {
       search: MutableSearch.fromQueryObject({...filters, ...additionalFilters}),
@@ -93,6 +103,7 @@ function SampleTable({
     groupId,
     transactionName,
     transactionMethod,
+    subregions,
     release,
     spanSearch,
     additionalFields,
diff --git a/static/app/views/insights/common/views/spans/selectors/subregionSelector.tsx b/static/app/views/insights/common/views/spans/selectors/subregionSelector.tsx
index ad8a108d729ca2..ab94110e4ff52d 100644
--- a/static/app/views/insights/common/views/spans/selectors/subregionSelector.tsx
+++ b/static/app/views/insights/common/views/spans/selectors/subregionSelector.tsx
@@ -11,6 +11,7 @@ import {t} from 'sentry/locale';
 import {space} from 'sentry/styles/space';
 import {trackAnalytics} from 'sentry/utils/analytics';
 import {decodeList} from 'sentry/utils/queryString';
+import {MutableSearch} from 'sentry/utils/tokenizeSearch';
 import {useLocation} from 'sentry/utils/useLocation';
 import {useNavigate} from 'sentry/utils/useNavigate';
 import useOrganization from 'sentry/utils/useOrganization';
@@ -25,7 +26,12 @@ export default function SubregionSelector() {
 
   const value = decodeList(location.query[SpanMetricsField.USER_GEO_SUBREGION]);
   const {data, isLoading} = useSpanMetrics(
-    {fields: [SpanMetricsField.USER_GEO_SUBREGION], enabled: hasGeoSelectorFeature},
+    {
+      fields: [SpanMetricsField.USER_GEO_SUBREGION, 'count()'],
+      search: new MutableSearch('has:user.geo.subregion'),
+      enabled: hasGeoSelectorFeature,
+      sorts: [{field: 'count()', kind: 'desc'}],
+    },
     'api.insights.user-geo-subregion-selector'
   );
 
@@ -48,6 +54,7 @@ export default function SubregionSelector() {
 
   return (
     <CompactSelect
+      searchable
       triggerProps={{
         prefix: (
           <Fragment>
diff --git a/static/app/views/insights/common/views/spans/useModuleFilters.ts b/static/app/views/insights/common/views/spans/useModuleFilters.ts
index 287006f63e6fb8..74fdfd4ba8c040 100644
--- a/static/app/views/insights/common/views/spans/useModuleFilters.ts
+++ b/static/app/views/insights/common/views/spans/useModuleFilters.ts
@@ -1,22 +1,33 @@
 import pick from 'lodash/pick';
 
+import {decodeList} from 'sentry/utils/queryString';
 import {useLocation} from 'sentry/utils/useLocation';
-import {SpanMetricsField} from 'sentry/views/insights/types';
+import {SpanMetricsField, type SubregionCode} from 'sentry/views/insights/types';
 
 export type ModuleFilters = {
   [SpanMetricsField.SPAN_ACTION]?: string;
   [SpanMetricsField.SPAN_DOMAIN]?: string;
   [SpanMetricsField.SPAN_GROUP]?: string;
   [SpanMetricsField.SPAN_OP]?: string;
+  [SpanMetricsField.USER_GEO_SUBREGION]?: SubregionCode[];
 };
 
 export const useModuleFilters = () => {
   const location = useLocation<ModuleFilters>();
 
-  return pick(location.query, [
+  const filters = pick(location.query, [
     SpanMetricsField.SPAN_ACTION,
     SpanMetricsField.SPAN_DOMAIN,
     SpanMetricsField.SPAN_OP,
     SpanMetricsField.SPAN_GROUP,
   ]);
+
+  const subregions = decodeList(
+    location.query[SpanMetricsField.USER_GEO_SUBREGION]
+  ) as SubregionCode[];
+  if (subregions.length) {
+    filters[SpanMetricsField.USER_GEO_SUBREGION] = subregions;
+  }
+
+  return filters;
 };
diff --git a/static/app/views/insights/types.tsx b/static/app/views/insights/types.tsx
index 1b0505e3f457cf..3387eb2fb682c8 100644
--- a/static/app/views/insights/types.tsx
+++ b/static/app/views/insights/types.tsx
@@ -56,6 +56,7 @@ export enum SpanMetricsField {
   URL_FULL = 'url.full',
   USER_AGENT_ORIGINAL = 'user_agent.original',
   CLIENT_ADDRESS = 'client.address',
+  BROWSER_NAME = 'browser.name',
   USER_GEO_SUBREGION = 'user.geo.subregion',
 }
 
@@ -84,8 +85,7 @@ export type SpanStringFields =
   | 'span.status_code'
   | 'span.ai.pipeline.group'
   | 'project'
-  | 'messaging.destination.name'
-  | SpanMetricsField.USER_GEO_SUBREGION;
+  | 'messaging.destination.name';
 
 export type SpanMetricsQueryFilters = {
   [Field in SpanStringFields]?: string;
@@ -166,6 +166,8 @@ export type SpanMetricsResponse = {
     | `${Property}(${string})`
     | `${Property}(${string},${string})`
     | `${Property}(${string},${string},${string})`]: number;
+} & {
+  [SpanMetricsField.USER_GEO_SUBREGION]: SubregionCode;
 };
 
 export type MetricsFilters = {
@@ -367,3 +369,5 @@ export const subregionCodeToName = {
   '61': 'Polynesia',
   '53': 'Australia and New Zealand',
 };
+
+export type SubregionCode = keyof typeof subregionCodeToName;