- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°5'23"N 4°18'29"W
- Eastings/Northings: 241958, 246026
- OS Grid: SN419460
- Mapcode Local: GBR DG.BG0K
- Mapcode Global: VH3KB.8QRP
Location and coordinates are for the approximate centre of Maesymeillion within this administrative area.
Geographic features and populated places may cross administrative borders.