- Category: Water Feature
- Type: Island
- Latitude/Longitude: 57°24'16"N 7°15'28"W
- Eastings/Northings: 84346, 847116
- OS Grid: NF843471
- Mapcode Local: GBR 89G4.Y42
- Mapcode Global: WGW4B.H43Z
Location and coordinates are for the approximate centre of Greallam Tuath within this administrative area.
Geographic features and populated places may cross administrative borders.