- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°55'6"N 3°33'49"W
- Eastings/Northings: 294956, 336823
- OS Grid: SH949368
- Mapcode Local: GBR 6F.N4T3
- Mapcode Global: WH670.7W7Z
Location and coordinates are for the approximate centre of Tre'r-Llan within this administrative area.
Geographic features and populated places may cross administrative borders.