Rivière-du-Loup is a small city on the south shore of the Saint Lawrence River in Quebec. The city is the seat for the Rivière-du-Loup Regional County Municipality and the judicial district of Kamouraska. Its one of the largest cities in Bas-Saint-Laurent.

The Bas-Saint-Laurent, is an administrative region of Quebec located along the south shore of the lower Saint Lawrence River in Quebec. The river widens at this place, later becoming a bay that discharges into the Atlantic Ocean and is often nicknamed "Bas-du-Fleuve" (Lower-River). The region is formed by eight regional county municipalities and 114 municipalities. In the south, it borders Maine of the United States, and the Canadian New Brunswick and the regions of Chaudière-Appalaches and Gaspésie–Îles-de-la-Madeleine.