Wembley is made up of six wards: Wembley Central, Alperton, Tokyngton, Barnhill, Preston and Sudbury. The town takes up the south-western quarter of the borough of Brent, being west of Harlesden and Willesden and south of Kenton. It is also east of Greenford and Northolt in the neighbouring London Borough of Ealing. The area is identified in the Mayor of London's London Plan as one of thirty-five major centres in Greater London. Wembley is part of both HA0 and HA9 post codes, and has its own post town.