Great Britain is the largest island of the British Isles, bordered by the Atlantic Ocean, the North Sea, the English Channel, and the Irish Sea. It consists of three countries: England in the south and center, Scotland in the north, and Wales in the west. London, located in England, is the de facto capital of the entire United Kingdom and serves as its political, financial, and cultural center. The population of Great Britain is about 62 million, out of the total population of the United Kingdom of about 67 million.