- Category: Populated Place
- Type: Village
- Latitude/Longitude: 51°50'56"N 4°40'21"W
- Eastings/Northings: 216016, 220102
- OS Grid: SN160201
- Mapcode Local: GBR CZ.TMNC
- Mapcode Global: VH2NT.YSNB
Location and coordinates are for the approximate centre of Llanfallteg within this administrative area.
Geographic features and populated places may cross administrative borders.