Belsize (/ˈbɛlsaɪz/) is a ward in the London Borough of Camden, in the United Kingdom.

The ward has existed since the creation of the borough on 1 April 1965 and was first used in the 1964 elections.

[6] The ward currently returns three councillors to Camden Council, with an election every four years.

[4][5] At the 2022 election, leader of the Conservative group on Camden London Borough Council Oliver Cooper stood as a candidate in Belsize, having previously represented Hampstead Town.

[7][8] Leader of the Liberal Democrat group Luisa Porritt, who represented Belsize, stood down at the 2022 election, citing work commitments, while the Camden New Journal suggested that the new ward boundaries would favour the Conservatives.