- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 53°13'23"N 4°2'27"W
- Eastings/Northings: 263835, 371522
- OS Grid: SH638715
- Mapcode Local: GBR 5T.0W9Z
- Mapcode Global: WH548.W7WV
Location and coordinates are for the approximate centre of Crymlyn within this administrative area.
Geographic features and populated places may cross administrative borders.