United Kingdom is located east of the U.S.
United Kingdom . Lying off the north-western coast of the European mainland , the United Kingdom includes the island of Great Britain , the north-eastern part of the island of Ireland and many smaller islands . Apart from this land border , the United Kingdom is surrounded by the Atlantic Ocean , with the North Sea to its east , the English Channel to its south and the Celtic Sea to its south-south-west , giving it the 12th-longest coastline in the world .