- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 52°59'21"N 3°34'54"W
- Eastings/Northings: 293918, 344709
- OS Grid: SH939447
- Mapcode Local: GBR 6F.HLFX
- Mapcode Global: WH66S.Y4K8
Location and coordinates are for the approximate centre of Gellioedd within this administrative area.
Geographic features and populated places may cross administrative borders.