- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 51°50'22"N 3°58'5"W
- Eastings/Northings: 264500, 217500
- OS Grid: SN645175
- Mapcode Local: GBR DX.V8CH
- Mapcode Global: VH4JB.51J2
Location and coordinates are for the approximate centre of Llandyfan within this administrative area.
Geographic features and populated places may cross administrative borders.