- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°24'59"N 3°11'58"W
- Eastings/Northings: 318500, 280500
- OS Grid: SO185805
- Mapcode Local: GBR 9Y.NT1W
- Mapcode Global: VH68R.HJ9F
Location and coordinates are for the approximate centre of Gwerneirin within this administrative area.
Geographic features and populated places may cross administrative borders.