Heston is a suburban area and part of the Hounslow district in the London Borough of Hounslow. The residential settlement covers a slightly smaller area than its predecessor farming village, 10.8 miles (17.4 km) west south-west of Charing Cross and adjoins the M4 motorway but has no junction with it; Heston also adjoins the Great West Road, a dual carriageway, mostly west of the "Golden Mile" headquarters section of it. Heston was, historically, in Middlesex.

Hounslow is a large suburban district of West London, England, 10+3⁄4 miles west-southwest of Charing Cross. It is the administrative centre of the London Borough of Hounslow, and is identified in the London Plan as one of the 14 metropolitan centres in Greater London.