The London Borough of Islington (/ˈɪzlɪŋtən/ IZ-ling-tən) is a London borough in Inner London. Whilst the majority of the district is located in north London, the borough also includes a significant area to the south which forms part of central London. Islington has an estimated population of 215,667. It was formed in 1965 under the London Government Act 1963, which simultaneously abolished the metropolitan boroughs of Islington and Finsbury.