- Category: Water Feature
- Type: Island
- Latitude/Longitude: 58°15'55"N 6°54'22"W
- Eastings/Northings: 112393, 941241
- OS Grid: NB123412
- Mapcode Local: GBR 96BW.HF9
- Mapcode Global: WGX1C.WHGY
Location and coordinates are for the approximate centre of Tamna within this administrative area.
Geographic features and populated places may cross administrative borders.