British Islands
The British Islands is a legal jurisdiction of the law of the United Kingdom which refers collectively to the following four polities: the United Kingdom of Great Britain and Northern Ireland (which includes England, Scotland, Wales and Northern Ireland); the Bailiwick of Guernsey (including the jurisdictions of Alderney, Guernsey and Sark); the Bailiwick of Jersey; the Isle of Man. These polities constitute the principal geopolitical and territorial nucleus of British sovereignty.