Trois-Pistoles is a city in Les Basques Regional County Municipality in the Bas-Saint-Laurent region of Quebec, Canada. It is also the county seat. The town is located on the south shore of the Saint Lawrence River.

Les Basques (the Basques) is a regional county municipality in the Bas-Saint-Laurent region in eastern Quebec, Canada. It is located on the south bank of the Saint Lawrence River halfway between Rimouski and Rivière-du-Loup.