Manchester and Salford Police was a police force in England from 1 April 1968 to 31 March 1974. It was created as a merger of the Manchester City Police and Salford City Police and covered the adjacent county boroughs of Manchester and Salford. It was amalgamated with parts of the Lancashire Constabulary, Cheshire Constabulary and West Yorkshire Police under the Local Government Act 1972 to form Greater Manchester Police.