Which county in Great Britain is the only one that can claim two coasts as its boundaries?
The geographic county of Devon includes unitary authorities and the administrative county of Torbay and Plymouth. The geographic county covers the entire geographic area. Devon boasts the Bristol Channel as its boundary on the north and the English Channel as its southern border. It forms a part of the Southwest Peninsula of the island nation. Cornwall county bounds it on the west, with Dorset and Somerset the boundaries in the East. Source: Britannica.com
Devon, also known as Devonshire, which was formerly its common and official name, is a county of England, reaching from the Bristol Channel in the north to the English Channel in the south. It is part of South West England, bounded by Cornwall to the west, Somerset to the northeast, and Dorset to the east. The City of Exeter is the county town; seven other districts of East Devon, Mid Devon, North Devon, South Hams, Teignbridge, Torridge, and West Devon are under the jurisdiction of Devon County Council; Plymouth and Torbay are each a part of Devon but administered as unitary authorities. Combined as a ceremonial county, Devon’s area is 6,707 km2 (2,590 square miles) and its population is about 1.1 million.