- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°55'0"N 5°10'21"W
- Eastings/Northings: 181905, 228997
- OS Grid: SM819289
- Mapcode Local: GBR C9.PHLV
- Mapcode Global: VH1QX.927Z
Location and coordinates are for the approximate centre of Treglemais within this administrative area.
Geographic features and populated places may cross administrative borders.