Warwickshire Police is the territorial police force responsible for policing Warwickshire in England. It is the second smallest territorial police force in England and Wales after the City of London Police, with only 823 regular officers as of September 2017. The resident population of the force area is 554,002.

West Mercia Police, formerly the West Mercia Constabulary, is the territorial police force responsible for policing the counties of Herefordshire, Shropshire and Worcestershire in England. The force area covers 2,868 square miles (7,430 km2) making it the fourth largest police area in England and Wales. The resident population of the area is 1.19 million Its name comes from the ancient kingdom of Mercia.