- Category: Populated Place
- Type: Hamlet
- Latitude/Longitude: 52°23'29"N 3°51'34"W
- Eastings/Northings: 273546, 278669
- OS Grid: SN735786
- Mapcode Local: GBR 92.QDB7
- Mapcode Global: VH4FP.15W2
Location and coordinates are for the approximate centre of Ystumtuen within this administrative area.
Geographic features and populated places may cross administrative borders.