- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 56°5'38"N 5°16'9"W
- Eastings/Northings: 196738, 693831
- OS Grid: NR967938
- Mapcode Local: GBR FDCL.WR1
- Mapcode Global: WH1KC.1345
Location and coordinates are for the approximate centre of Union Bay within this administrative area.
Geographic features and populated places may cross administrative borders.