Cornwall Cornwall Cornwall (; ) is a county in South West England in the United Kingdom. The county is bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar which forms most of the border between them. Cornwall forms the westernmost part of the South West Peninsula of the island of Great Britain. The furthest southwestern point of the island is Land's End; the southernmost point is Lizard Point. Cornwall has a population of and covers an area of . The
Duke of Cornwall Duke of Cornwall Duke of Cornwall is a title in the Peerage of England, traditionally held by the eldest son of the reigning British monarch, previously the English monarch. The Duchy of Cornwall was the first duchy created in England and was established by royal charter in 1337. The present duke is the Prince of Wales, the eldest son of Queen Elizabeth II. His wife, Camilla, is the current Duchess. Some folkloric histories of the British Isles, such as Geoffrey of Monmouth's "History of the Kings of Britain" (1136), claim that the first leader of Cornwall was Corineus, a Trojan