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
History of Cornwall Philip Payton in his book "Cornwall: A History". The Cornish Cornovii may even be a completely separate tribe, taking their name from the horn shape of the peninsula. The English name, Cornwall, comes from the Celtic name, to which the Old English word "Wealas" "foreigner" is added. In pre-Roman times, Cornwall was part of the kingdom of Dumnonia, and was later known to the Anglo-Saxons as ""West" Wales", to distinguish it from "North Wales" (modern-day Wales). During the time of Roman dominance in Britain, Cornwall was rather remote from the main centres of Romanisation. The Roman road system extended into