- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 51°39'52"N 2°48'13"W
- Eastings/Northings: 344500, 196500
- OS Grid: ST445965
- Mapcode Local: GBR JF.6CG0
- Mapcode Global: VH7B3.CF2B
Location and coordinates are for the approximate centre of Gaerllwyd within this administrative area.
Geographic features and populated places may cross administrative borders.