- Category: Populated Place
- Type: Other Settlement
- Latitude/Longitude: 50°26'4"N 4°55'23"W
- Eastings/Northings: 192500, 63500
- OS Grid: SW925635
- Mapcode Local: GBR ZP.HL1V
- Mapcode Global: FRA 07KX.5SJ
Location and coordinates are for the approximate centre of Tregatillian within this administrative area.
Geographic features and populated places may cross administrative borders.