- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°7'34"N 3°24'39"W
- Eastings/Northings: 303500, 248500
- OS Grid: SO035485
- Mapcode Local: GBR YN.82KH
- Mapcode Global: VH69Z.TTL9
Location and coordinates are for the approximate centre of Llanddewi'r Cwm within this administrative area.
Geographic features and populated places may cross administrative borders.