- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 51°54'39"N 5°14'54"W
- Eastings/Northings: 176662, 228580
- OS Grid: SM766285
- Mapcode Local: GBR C6.PW7T
- Mapcode Global: VH0TD.Z75F
Location and coordinates are for the approximate centre of Treleidr within this administrative area.
Geographic features and populated places may cross administrative borders.