Harefield

Harefield
St Mary the Virgin Church, Harefield
Harefield Location within Greater London
Population	7,399 (2011)[1]
OS grid reference	TQ055905
• Charing Cross	17 mi (27 km) SE
London borough	Hillingdon
Ceremonial county	Greater London
Region	London
Country	England
Sovereign state	United Kingdom
Post town	UXBRIDGE
Postcode district	UB9
Dialling code	01895
Police	Metropolitan
Fire	London
Ambulance	London
UK Parliament	Ruislip, Northwood and Pinner
London Assembly	Ealing and Hillingdon
List of places UK England London 51°36′12″N 0°28′41″W / 51.6034°N 0.4780°W / 51.6034; -0.4780

Harefield is a village in the London Borough of Hillingdon, England, 17 miles (27 km) northwest of Charing Cross near Greater London's boundary with Buckinghamshire to the west and Hertfordshire to the north. The population at the 2011 Census was 7,399.^[1] Harefield is the westernmost settlement in Greater London, and lies outside the capital's contiguous built-up area.

Harefield is near Denham, Ickenham, Northwood, Rickmansworth, Ruislip and Uxbridge. Pioneering heart surgery techniques were developed at Harefield Hospital.