- Category: Populated Place
- Type: Village
- Latitude/Longitude: 53°17'9"N 3°37'57"W
- Eastings/Northings: 291256, 377808
- OS Grid: SH912778
- Mapcode Local: GBR 3Z2F.BR
- Mapcode Global: WH657.5NFN
Location and coordinates are for the approximate centre of Terfyn within this administrative area.
Geographic features and populated places may cross administrative borders.