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 plus 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 also the London Borough of Brent to the north, the London Borough of Hammersmith and Fulham to the east plus the London Borough of Hounslow to the south. It covers a total area of about 21.44 square miles.
According to population estimates from the middle of 2014, the borough includes a permanent population of about 342118 individuals. This makes it the 3rd biggest London Borough in population, and 11th biggest in size, covering a part of west London and a small part of northwest London. The local authority is Ealing London Borough Council.
The town is served by many National Rail and London Underground stations. In addition to 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 at present is made up of six volumes. Ealing is also the main setting for 'The Sarah Jane Adventures', being the place of Sarah Jane Smith's house. Inside the borough are two garden suburbs, Brentham Garden Suburb and Bedford Park.