- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°44'58"N 3°7'49"W
- Eastings/Northings: 323797, 317472
- OS Grid: SJ237174
- Mapcode Local: GBR 70.ZVF9
- Mapcode Global: WH799.W5H0
Location and coordinates are for the approximate centre of Deuddwr within this administrative area.
Geographic features and populated places may cross administrative borders.