The Metropolitan Borough of Rotherham is a metropolitan borough of South Yorkshire, England. It is named after its main settlement of Rotherham. The wider borough spans a larger area and covers the outlying towns of Maltby, Swinton, Wath-upon-Dearne, Dinnington. As well as the villages of Rawmarsh and Laughton. A large valley spans the entire borough and is referred to as the "Rother Valley".
The district was formed on 1 April 1974, under the Local Government Act 1972, as a merger of the County Borough of Rotherham, with Maltby, Rawmarsh, Swinton and Wath-upon-Dearne urban districts along with Rotherham Rural District and Kiveton Park Rural District.