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 as well as the Municipal Borough of Acton. The London Borough of Ealing borders the London Borough of Hillingdon towards the west, the London Borough of Harrow and also the London Borough of Brent towards the north, the London Borough of Hammersmith and Fulham to the east and the London Borough of Hounslow to the south. It covers a total area of about 21.44 square miles.
As per population estimates from the middle of 2014, the borough features a permanent population of around 342118 inhabitants. This makes it the third biggest London Borough in population, and 11th biggest in size, covering part of west London in addition to a small 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. Along 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 at present contains six volumes. Ealing is also the key setting for 'The Sarah Jane Adventures', being the location of Sarah Jane Smith's home. Within the borough are two garden suburbs, Brentham Garden Suburb and Bedford Park.