Cornwall county has been administered since 2009 by the unitary authority, Cornwall Council. The ceremonial county of Cornwall also includes the Isles of Scilly, which are administered separately. The administrative centre of Cornwall, and its only city, is Truro. Cornwall is the homeland of the Cornish people and the cultural and ethnic origin of the Cornish diaspora. It retains a distinct cultural identity that reflects its unique history, and is recognised as one of the Celtic nations with a rich cultural heritage. It was formerly a Brythonic kingdom and subsequently a royal duchy. The Cornish nationalist movement contests the present constitutional
Civil parishes in Cornwall parish can also gain city status, but only if that is granted by the Crown. The chairman of a town or city council is called a mayor. The Local Government and Public Involvement in Health Act 2007 introduced alternative names: a parish council can now choose to be called a community; village; or neighbourhood council. Within Cornwall, the 2007 Act lead to the abolition of the six district councils and Cornwall County Council, establishing in their place the single unitary authority, Cornwall Council. All civil parish councils became the responsibility of this authority. At the same time four new civil