- Category: Populated Place
- Type: Village
- Latitude/Longitude: 52°59'12"N 3°57'25"W
- Eastings/Northings: 268723, 345066
- OS Grid: SH687450
- Mapcode Local: GBR 5X.HZ4D
- Mapcode Global: WH55H.56Y2
Location and coordinates are for the approximate centre of Tanygrisiau within this administrative area.
Geographic features and populated places may cross administrative borders.