Cheshire Constabulary is the territorial police force responsible for policing the ceremonial county of Cheshire in North West England, comprising the unitary authorities of Cheshire East, Cheshire West and Chester, Borough of Halton and Borough of Warrington. The force is responsible for policing an area of 946 square miles (2,450 km2) with a population of approximately 1 million people.

Cheshire is a ceremonial county in North West England. It is bordered by Merseyside to the north-west, Greater Manchester to the north-east, Derbyshire to the east, Staffordshire to the south-east, and Shropshire to the south; to the west it is bordered by the Welsh counties of Flintshire and Wrexham, and has a short coastline on the Dee Estuary. Warrington is the largest settlement, and the city of Chester is the county town.