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 plus the London Borough of Brent to the north, the London Borough of Hammersmith and Fulham towards the east and also the London Borough of Hounslow to the south. It covers a total area of about 21.44 square miles.
As outlined by population estimates from the middle of 2014, the borough features a permanent population of around 342118 people. This makes it the 3rd largest London Borough in population, and 11th biggest in size, covering a part of west London and also a small a part of northwest London. Its administrative centre is Ealing Broadway. Other significant centres include Acton, Greenford and Southall.
The town is served by several National Rail and London Underground stations. In conjunction with Brentford, the London Borough of Ealing is the setting for a great deal of the action in Robert Rankin's trilogy comedic novels, The Brentford Trilogy, which currently contains six volumes. Ealing is also the primary setting for 'The Sarah Jane Adventures', being the place of Sarah Jane Smith's residence. Inside the borough are two garden suburbs, Brentham Garden Suburb and Bedford Park.