- Category: Water Feature
- Type: Island
- Latitude/Longitude: 51°1'19"N 4°28'16"W
- Eastings/Northings: 226783, 127649
- OS Grid: SS267276
- Mapcode Local: GBR K5.HWPC
- Mapcode Global: FRA 16JD.V7K
Location and coordinates are for the approximate centre of Chapman Rock within this administrative area.
Geographic features and populated places may cross administrative borders.