The London Borough of Hounslow is a London borough in west London, England, forming a part of Outer London. The borough was created in 1965, under the London Government Act 1963, by the merger of the area of the former Brentford and Chiswick Urban District, Feltham Urban District and also the Heston and Isleworth Urban District of Middlesex. Hounslow covers a total area of about 21.61 square miles. The borough stretches from close to Central London in the east towards the border with Surrey to the west, covering Chiswick, Brentford, Isleworth and Feltham in addition to Hounslow itself.
In line with population estimates in the middle of 2014, the borough features a permanent population of around 265568 people.
The Great West Road, which crosses the borough from Chiswick to Heathrow, once served nationally and globally popular manufacturers including Firestone, Gillette and Coty. Consequently, the borough became referred to as the 'Golden Mile'. A handful of of these factory sites remain, including Gillette Corner, and the Great West Road continues to be home to many prestigious names, supplying them with simple non-motorway access between Slough, London Heathrow Airport and Central London. Other notable landmarks include Osterley Park, Gunnersbury Park, Syon House, the London Museum of Water and Steam, and Chiswick House.