- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 50°24'4"N 4°14'47"W
- Eastings/Northings: 240444, 58123
- OS Grid: SX404581
- Mapcode Local: GBR NR.S12Q
- Mapcode Global: FRA 17ZZ.RFQ
Location and coordinates are for the approximate centre of Trehan within this administrative area.
Geographic features and populated places may cross administrative borders.