- a seaport in southern Wales.
- a city in southeastern Massachusetts.
- a port in S Wales, in Swansea county on an inlet of the Bristol Channel (Swansea Bay); a metallurgical and oil-refining centre; university (1920). Pop: 169 880 (2001)
- a county of S Wales on the Bristol Channel, created in 1996 from part of West Glamorgan: includes the Swansea conurbation and the Gower peninsula. Administrative centre: Swansea. Pop: 224 600 (2003 est). Area: 378 sq km (146 sq miles)
