- Category: Landcover
- Type: Forest or Wood
- Latitude/Longitude: 52°47'41"N 4°5'24"W
- Eastings/Northings: 259174, 323967
- OS Grid: SH591239
- Mapcode Local: GBR 5R.WWG3
- Mapcode Global: WH56D.40MR
Location and coordinates are for the approximate centre of Coed y Byrllysg within this administrative area.
Geographic features and populated places may cross administrative borders.