The Guildhall is one of the main office buildings of the City and County of Swansea Council. The Guildhall complex, which includes the City Hall, Brangwyn Hall and the County Law Courts for Swansea, is a Grade I listed building.

The City and County of Swansea Council, or simply Swansea Council, is the local authority for the city and county of Swansea, one of the principal areas of Wales. The principal area also includes rural areas to the north of the built-up area of Swansea and the Gower Peninsula to the west. The council consists of 75 councillors representing 32 electoral wards.