- Category: Water Feature
- Type: Island
- Latitude/Longitude: 52°54'45"N 4°4'53"W
- Eastings/Northings: 260125, 337034
- OS Grid: SH601370
- Mapcode Local: GBR 5R.NK0Y
- Mapcode Global: WH55T.82N1
Location and coordinates are for the approximate centre of Ynys Gifftan within this administrative area.
Geographic features and populated places may cross administrative borders.