United Kingdom is an island country spanning an archipelago including Great Britain, located in Western Europe comprising England, Scotland, Wales, and Northern Ireland. United Kingdom is surrounded by the Atlantic Ocean, the North Sea, the English Channel, and the Irish Sea. Part of the beautiful British Isles, this small but influential country bursts with fascinating history, exciting cities, and rich cultural traditions. Historic sites are at every turn, from prehistoric megaliths and ancient Roman sites to centuries-old castles and town centres dating back to the middle Ages.