- Category: Water Feature
- Type: Island
- Latitude/Longitude: 50°0'12"N 5°6'21"W
- Eastings/Northings: 177520, 16106
- OS Grid: SW775161
- Mapcode Local: GBR ZB.GZVL
- Mapcode Global: FRA 086Z.SP9
Location and coordinates are for the approximate centre of Hyrlas Rock within this administrative area.
Geographic features and populated places may cross administrative borders.