- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°47'28"N 4°15'22"W
- Eastings/Northings: 244497, 212701
- OS Grid: SN444127
- Mapcode Local: GBR DJ.Y8YB
- Mapcode Global: VH3LX.57SM
Location and coordinates are for the approximate centre of Pontantwn within this administrative area.
Geographic features and populated places may cross administrative borders.