Mostyn is the name of one of the electoral wards in Llandudno, Conwy County Borough, Wales. It is one of five town wards and covers Llandudno town immediately west of the railway line (which terminates at Llandudno railway station). Gogarth ward (covering the Great Orme) lies to the northwest and Tudno ward lies to the east, with Llandudno beach to the north and Conwy Sands to the southwest.