- Category: Water Feature
- Type: Harbour
- Latitude/Longitude: 50°5'8"N 5°6'23"W
- Eastings/Northings: 177867, 25234
- OS Grid: SW778252
- Mapcode Local: GBR ZB.9RRW
- Mapcode Global: FRA 086S.DDF
Location and coordinates are for the approximate centre of Gillan Harbour within this administrative area.
Geographic features and populated places may cross administrative borders.