The London Borough of Harrow is a London borough of outer northwest London. It borders Hertfordshire to the north and other London boroughs: Hillingdon to the west, Ealing to the south, Brent to the southeast and Barnet to the east.
It was formed in 1965 from the Middlesex borough of Harrow.
The borough includes the areas:
London boroughs : Barking and Dagenham | Barnet | Bexley | Brent | Bromley | Camden | City of London | Croydon | Ealing | Enfield | Greenwich | Hackney | Hammersmith and Fulham | Haringey | Harrow | Havering | Hillingdon | Hounslow | Islington | Kensington and Chelsea | Kingston | Lambeth | Lewisham | Merton | Newham | Redbridge | Richmond | Southwark | Sutton | Tower Hamlets | Waltham Forest | Wandsworth | Westminster
Greater London Authority | London Assembly | Mayor of London