The London Borough of Ealing is a London Borough in west London, England, and forms 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 to the east along with the London Borough of Hounslow to the south. It covers a total area of around 21.44 square miles.
As per population estimates from the middle of 2014, the borough has 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 part of northwest London. Its administrative centre is Ealing Broadway. Other main centres include Acton, Greenford and Southall.
The town is served by several National Rail and London Underground stations. Together 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 presently is made up of six volumes. Ealing is also the key 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.