- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°38'32"N 1°55'23"W
- Eastings/Northings: 405530, 82513
- OS Grid: SZ055825
- Mapcode Local: GBR 44Z.LLZ
- Mapcode Global: FRA 67VC.QLM
Location and coordinates are for the approximate centre of Old Harry within this administrative area.
Geographic features and populated places may cross administrative borders.