Administrative Boundary of Isle of Anglesey

The Isle of Anglesey (Ynys Môn) is a principal area in northwest Wales, separated from the mainland by the Menai Strait. Known for its ancient history, it was the last stronghold of the druids against Roman invasion. The island features a largely agricultural landscape with a rugged coastline, beaches, and small towns. The population is approximately 70,000, with Holyhead as the largest town. Notable landmarks include Beaumaris Castle (a UNESCO World Heritage Site), the Menai and Britannia Bridges, and South Stack lighthouse. You can download the administrative boundary in GeoJSON and KML formats for further use.