(historical)Lower Canada 1791-1840 (also Canada East 1840-1867, now province of Quebec) or respectively Upper Canada (Canada West, now province of Ontario), often “the Canadas” (or politically, “United Canada” 1840-1867).
(historical) (1608-1763) The most active province of New France. Nowadays corresponds to the territory of much of Quebec, Ontario, and several US states.