- Category: Water Feature
- Type: Island
- Latitude/Longitude: 53°24'38"N 4°16'58"W
- Eastings/Northings: 248365, 392874
- OS Grid: SH483928
- Mapcode Local: GBR HMSP.BYG
- Mapcode Global: WH422.5JVK
Location and coordinates are for the approximate centre of Ynys Drai within this administrative area.
Geographic features and populated places may cross administrative borders.