- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 53°11'57"N 4°22'4"W
- Eastings/Northings: 241918, 369518
- OS Grid: SH419695
- Mapcode Local: GBR 5D.2FDG
- Mapcode Global: WH42Z.WV49
Location and coordinates are for the approximate centre of Pen-Iôn within this administrative area.
Geographic features and populated places may cross administrative borders.