Anglesey the island. The highest six are Holyhead Mountain, ; Mynydd Bodafon, ; Mynydd Llaneilian, ; Mynydd y Garn, ; Bwrdd Arthur, ; and Mynydd Llwydiarth, . To the south and south-east the island is separated from the Welsh mainland by the Menai Strait, which at its narrowest point is about wide. In all other directions the island is surrounded by the Irish Sea. It is the 51st largest island in Europe, and just five square kilometres smaller than Singapore. There are several small towns scattered around the island, making it quite evenly populated. The largest are Holyhead, Llangefni, Benllech, Menai
St Mary's Church, Holyhead the parish and has links with the church. St Mary's Church, Holyhead St Mary's Church, Holyhead (or St. Mary Help Of Christians RC Church, Holyhead) is a Roman Catholic church in Holyhead, a large town in Anglesey, north Wales. It is within the Diocese of Wrexham. The church was officially opened on 28 February 1965. St Mary's Church is located between Market Street and Longford Road in Holyhead, the principal port of the north Wales county of Anglesey. It was built to replace a previous Roman Catholic church in Holyhead dedicated to St Mary, which was built in 1860 but