The monarchy of Canada is at the core of both Canada 's federal structure and Westminster - style of parliamentary and constitutional democracy. The monarchy is the foundation of the executive (Queen - in - Council), legislative (Queen - in - Parliament), and judicial (Queen - on - the - Bench) branches within both federal and provincial jurisdictions. The sovereign is the personification of the Canadian state and is Canada as a matter of constitutional law. The current Canadian monarch is Queen Elizabeth II, who has reigned since 6 February 1952. Elizabeth 's eldest son, Prince Charles, is heir apparent.
who represents the monarch of britain in canada
Queen Elizabeth II