Plymouth is a port city and unitary authority in Devon, on the south-west coast of England. It stands between the rivers Plym and Tamar, both of which flow into Plymouth Sound, the city’s natural harbour. Plymouth lies 36 miles south-west of Exeter and 193 miles south-west of London. With a population of 272,067 in 2024, it is the most populous city in Devon and the second-largest in the South West after Bristol.
Settlement on the site goes back to the Bronze Age, with an early trading post at Mount Batten. The medieval market town of Sutton was renamed Plymouth on receiving its borough charter in 1439. In 1588 an English fleet anchored in the Sound under the command of Lord Howard, with Drake and Hawkins as his deputies, put to sea to engage the Spanish Armada. In September 1620 the Mayflower departed Plymouth for North America with the settlers later known as the Pilgrim Fathers; the Mayflower Steps on the Barbican mark the traditional point of embarkation. During the English Civil War the town was held for Parliament and endured a siege between 1642 and 1646. The Royal Navy established a dockyard on the Tamar at what became Devonport in 1690, and the port grew through the Industrial Revolution.
Plymouth absorbed neighbouring settlements in 1914, was granted city status in 1928, and lost much of its historic centre to the Plymouth Blitz of 1940 and 1941. The post-war reconstruction, planned by Patrick Abercrombie and James Paton Watson, produced the wide axial boulevards and modernist civic buildings of the present centre. A further boundary extension in 1967 brought in the formerly independent towns of Plympton and Plymstock east of the Plym.
Plymouth Hoe, the limestone headland overlooking the Sound, holds Smeaton’s Tower (the original 1759 Eddystone lighthouse, rebuilt on the Hoe in 1884) and a clear view across to Drake’s Island and the Plymouth Breakwater, completed in 1844 to shelter the anchorage. Below the Hoe lies the Royal Citadel, a fortified seaward bastion ordered by Charles II in 1665. The Barbican district, the surviving fragment of pre-war Plymouth, contains narrow Tudor and Jacobean lanes around Sutton Harbour and the Mayflower Steps.
The Royal Navy’s HMNB Devonport, on the Hamoaze estuary of the Tamar, is the largest naval base in western Europe. Brittany Ferries operates services from Millbay Docks to Roscoff and Santander. The University of Plymouth occupies a campus immediately north of the city centre, and the city is governed by Plymouth City Council and represented by three members of parliament at Westminster.