Canonbury railway station serves the districts of Canonbury and Highbury within the London Borough of Islington in north London. It is on London Overground's North London line and East London line. The station and all trains serving it are operated by London Overground, and the station is in Travelcard Zone 2. This location of the station is close to the boundary with the London Borough of Hackney.

Canonbury is a residential area in London, forming part of the London Borough of Islington. It is roughly in the area between Essex Road, Upper Street and Cross Street and either side of St Paul's Road in North London.