Buy this shirt to make yourself look cultured and like a traveler. Or you could get this to simply show your appreciation for the great kingdom that is united, The United Kingdom. The United Kingdom of Great Britain and Northern Ireland (commonly known as the United Kingdom, the UK, or Britain) is a sovereign state located off the northwestern coast of continental Europe. It is an island nation, spanning an archipelago including Great Britain, the northeastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK with a land border with another sovereign state, sharing it with the Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, the North Sea, the English Channel, and the Irish Sea.