By the arrangements of the Canadian federation, the Canadian monarchy operates in Prince Edward Island as the core of the province's Westminster-style parliamentary democracy. As such, the Crown within Prince Edward Island's jurisdiction is referred to as the Crown in Right of Prince Edward Island, His Majesty in Right of Prince Edward Island, or the King in Right of Prince Edward Island. The Constitution Act, 1867, however, leaves many royal duties in Prince Edward Island specifically assigned to the sovereign's viceroy, the lieutenant governor of Prince Edward Island, whose direct participation in governance is limited by the conventional stipulations of constitutional monarchy.

Prince Edward Island is one of the thirteen provinces and territories of Canada. While it is the smallest province in terms of land area and population, it is the most densely populated. The island has several nicknames: "Garden of the Gulf", "Birthplace of Confederation" and "Cradle of Confederation". Its capital and largest city is Charlottetown. It is one of the three Maritime provinces and one of the four Atlantic provinces.