diff --git a/CHANGELOG.md b/CHANGELOG.md
index d870ae83..cf37ada6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `clip`: Throw an exception if min > max [#472](https://github.com/Open-EO/openeo-processes/issues/472)
 - Added a uniqueness contraint to various array-typed parameters (e.g. lists of dimension names or labels)
 - Renamed `create_data_cube` to `create_cube`. [#68](https://github.com/Open-EO/openeo-processes/issues/68)
+- `apply_polygon`: Renamed `polygons` parameter to `geometries` for better alignment with other geometry handling processes. [#511](https://github.com/Open-EO/openeo-processes/issues/511)
 
 ### Fixed
 
diff --git a/proposals/apply_polygon.json b/proposals/apply_polygon.json
index 735226a1..21ef51fe 100644
--- a/proposals/apply_polygon.json
+++ b/proposals/apply_polygon.json
@@ -16,7 +16,7 @@
             }
         },
         {
-            "name": "polygons",
+            "name": "geometries",
             "description": "A vector data cube containing at least one polygon. The provided vector data can be one of the following:\n\n* A `Polygon` or `MultiPolygon` geometry,\n* a `Feature` with a `Polygon` or `MultiPolygon` geometry, or\n* a `FeatureCollection` containing at least one `Feature` with `Polygon` or `MultiPolygon` geometries.\n* Empty geometries are ignored.",
             "schema": {
                 "type": "object",