- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 51°27'32"N 3°33'47"W
- Eastings/Northings: 291500, 174500
- OS Grid: SS915745
- Mapcode Local: GBR HF.M6GY
- Mapcode Global: VH5HR.6L6C
Location and coordinates are for the approximate centre of Castle-upon-Alun within this administrative area.
Geographic features and populated places may cross administrative borders.