England - North Yorkshire Police arm patch

North Yorkshire Police is the territorial police force covering the non-metropolitan county of North Yorkshire and the unitary authority of York in northern England. The force covers England's largest county and comprises three area command units
The force was formed on 1 April 1974, under the Local Government Act 1972, and was largely a successor to the York and North East Yorkshire Police, also taking part of the old West Riding Constabulary's area.