Comparative area: slightly smaller than Oregon
Land boundary: Ireland 360 km
Coastline: 12,429 km
Maritime claims:
Continental shelf: 200 meters or to depth of exploitation or in accordance with agreed upon boundaries;
Exclusive fishing zone: 200 nm;
Territorial sea: 12 nm
Disputes: maritime boundary with Ireland; Northern Ireland question with Ireland; Gibraltar question with Spain; Argentina claims Falkland Islands (Islas Malvinas); Argentina claims South Georgia and the South Sandwich Islands; Mauritius claims island of Diego Garcia in British Indian Ocean Territory; Hong Kong is scheduled to become a Special Administrative Region of China in 1997; Rockall continental shelf dispute involving Denmark, Iceland, and Ireland (Ireland and the UK have signed a boundary agreement in the Rockall area); territorial claim in Antarctica (British Antarctic Territory)
Climate: temperate; moderated by prevailing southwest winds over the North Atlantic Current; more than half of the days are overcast
Terrain: mostly rugged hills and low mountains; level to rolling plains in east and southeast