- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°21'9"N 1°4'13"W
- Eastings/Northings: 451400, 1163540
- OS Grid: HU514635
- Mapcode Local: GBR R1QC.L5C
- Mapcode Global: XHF96.H12W
Location and coordinates are for the approximate centre of Hunder Holm within this administrative area.
Geographic features and populated places may cross administrative borders.