District of the London Borough of Camden, in effect covering the shopping area.
The West End of London (commonly referred to as the West End) is an area of Central and West London containing many of the city's major tourist attractions, shops, businesses, government buildings and entertainment venues, including the West End theatres.
Use of the term began in the early 19th century to describe fashionable areas to the west of Charing Cross. The West End covers much of the boroughs of Westminster and Camden
More information on the Wikipedia page [1]. The Visit London page is [2].