The London Borough of Ealing is a London Borough in west London, England, and forms a part of Outer London. The London borough was formed in 1965 by the merging the area of the Municipal Borough of Ealing, the Municipal Borough of Southall and the Municipal Borough of Acton. The London Borough of Ealing borders the London Borough of Hillingdon to the west, the London Borough of Harrow and the London Borough of Brent to the north, the London Borough of Hammersmith and Fulham towards the east along with the London Borough of Hounslow towards the south. It covers a total area of around 21.44 square miles.
In accordance with population estimates from the middle of 2014, the borough features a permanent population of about 342118 individuals. This makes it the third biggest London Borough in population, and 11th largest in size, covering a part of west London as well as a small a part of northwest London. Its administrative centre is Ealing Broadway. Other significant centres consist of Acton, Greenford and Southall.
The town is served by numerous National Rail and London Underground stations. In conjunction with Brentford, the London Borough of Ealing is the setting for a lot of the action in Robert Rankin's series of comedic novels, The Brentford Trilogy, which currently includes six volumes. Ealing is also the main setting for 'The Sarah Jane Adventures', being the place of Sarah Jane Smith's house. Within the borough are two garden suburbs, Brentham Garden Suburb and Bedford Park.