- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 53°4'12"N 3°16'15"W
- Eastings/Northings: 314935, 353296
- OS Grid: SJ149532
- Mapcode Local: GBR 6T.BPWK
- Mapcode Global: WH77P.Q3K7
Location and coordinates are for the approximate centre of Pentre-celyn within this administrative area.
Geographic features and populated places may cross administrative borders.