Chaudière-Appalaches (French: [ʃodjɛʁ apalaʃ], Quebec French: [ʃoˈd͡zjaɛ̯ʁ apaˈlaʃ])[2] is an administrative region in Quebec, Canada.

It is named for the Chaudière River and the Appalachian Mountains.

[3] Chaudière-Appalaches has a population of 420,082 residents (as of the Canada 2016 Census) and a land area of 15,083.25 square kilometres (5,823.68 sq mi).

[1] The main cities are Lévis, Saint-Georges, Thetford Mines, Sainte-Marie and Montmagny.

See: List of historic places in Chaudière-Appalaches