The Swansea Enterprise Park is a combined business park, retail park and industrial estate in Swansea, Wales. In 1981 it became the first enterprise zone in the United Kingdom, and the largest. Originally it was named the Swansea Enterprise Zone. The designated area covers parts of the Llansamlet and Morriston wards in the Lower Swansea valley, Wales. The Enterprise Park is the largest commercial district and the largest out-of-town shopping district of Swansea. Major employers at the site include Morganite, Alberto-Culver, Viskase, The Land Registry and Welsh Water.The Swansea Enterprise Park is bounded by the A4067 and the A4217 roads to the west and east; and the South Wales Main Line to the southeast. It includes the Winch Wen industrial estate just east of the A4217; and the area just north of the A48 to the east and west of Upper Forest Way. The whole area comprises 735acre of land.