- Category: Populated Place
- Type: Village
- Latitude/Longitude: 51°56'32"N 4°42'5"W
- Eastings/Northings: 214404, 230549
- OS Grid: SN144305
- Mapcode Local: GBR CY.MSHM
- Mapcode Global: VH2NF.GF9T
Location and coordinates are for the approximate centre of Mynachlog-ddu within this administrative area.
Geographic features and populated places may cross administrative borders.