brighton is a city on the south coast of england. it was called "brighthelmstone". it is in the county of east sussex. in 2000, it joined hove to become the city of brighton &amp; hove. historically, brighton forms the main part of the brighton/worthing/littlehampton conurbation, with 474,485 inhabitants (2011 census). this is england's 12th largest conurbation, and the mostly densely populated area outside london.