Ireland is an island nation located in the North Atlantic Ocean. It is made up of the Republic of Ireland and Northern Ireland, which is part of the United Kingdom. The Republic of Ireland occupies most of the island, with Northern Ireland located in the northeast. Ireland has a long history and was once ruled by the British before gaining independence. Some of Ireland's most notable landmarks include Blarney Castle, the Cliffs of Moher, and Trinity College Dublin, home to the Book of Kells. Traditional Irish sports include Gaelic football and hurling. The Irish diet features potatoes, dairy, and dishes like Irish stew.