The Borough of Burnley (/ˈbɜrnli/) is a local government district of Lancashire, England, with the status of a non-metropolitan district and borough. It has an area of 42.7 square miles (110.7 km2) and a population of 87,291 (mid-2014 est.), and is named after its largest town, Burnley. The borough is bounded by Hyndburn, Ribble Valley, Pendle, Rossendale – all in Lancashire – and the borough of Calderdale in West Yorkshire. It is governed by Burnley Borough Council, which has been controlled by the Liberal Democrats since 2008.