- Category: Populated Place
- Type: Village
- Latitude/Longitude: 52°34'40"N 3°11'16"W
- Eastings/Northings: 319608, 298450
- OS Grid: SO196984
- Mapcode Local: GBR 9Y.BPTS
- Mapcode Global: WH7B2.0G8K
Location and coordinates are for the approximate centre of Garthmyl within this administrative area.
Geographic features and populated places may cross administrative borders.