- Category: Populated Place
- Type: Village
- Latitude/Longitude: 53°0'36"N 3°22'43"W
- Eastings/Northings: 307598, 346750
- OS Grid: SJ075467
- Mapcode Local: GBR 6P.GFR2
- Mapcode Global: WH77V.2LDR
Location and coordinates are for the approximate centre of Gwyddelwern within this administrative area.
Geographic features and populated places may cross administrative borders.