- Category: Water Feature
- Type: Island
- Latitude/Longitude: 60°19'36"N 1°39'38"W
- Eastings/Northings: 418842, 1160360
- OS Grid: HU188603
- Mapcode Local: GBR Q17F.ZSZ
- Mapcode Global: XHBVG.RPKL
Location and coordinates are for the approximate centre of Brei Holm within this administrative area.
Geographic features and populated places may cross administrative borders.