Beaumaris (/bjuːˈmærɨs/; Welsh: Biwmares [bɪuˈmɑːrɛs]) is a former royal borough, a community, and the former county town of Anglesey, Wales. It was located in the commote of Dindaethwy and historic rural deanery of Tindaethwy, and is at the eastern entrance to the Menai Strait, the tidal waterway separating Anglesey from the coast of North Wales. At the 2001 census it had a population of 2,040, reducing to 1,938 at the 2011 Census.