Bradford, also known as the City of Bradford, is a metropolitan borough in West Yorkshire, England. It is named after its largest settlement, Bradford, but covers a larger area which includes the towns and villages of Keighley, Shipley, Bingley, Ilkley, Haworth, Silsden, Queensbury, Thornton and Denholme. Bradford has a population of 528,155, making it the fourth-most populous metropolitan district and the sixth-most populous local authority district in England. It forms part of the West Yorkshire Urban Area conurbation which in 2011 had a population of 1,777,934, and the city is part of the Leeds-Bradford Larger Urban Zone (LUZ), which, with a population of 2,393,300, is the fourth largest in the United Kingdom after London, Birmingham and Manchester.

West Yorkshire is a metropolitan and ceremonial county in the Yorkshire and the Humber region of England. It borders North Yorkshire to the north and east, South Yorkshire and Derbyshire to the south, Greater Manchester to the south-west, and Lancashire to the west. The city of Leeds is the largest settlement.