Category
page 1Incorporated places in Roussillon Regional County Municipality

Châteauguay
Châteauguay ( , , ) is an off-island suburb of Montreal, in southwestern Quebec, located on both the Châteauguay River and Lac St-Louis, which is a section of the St. Lawrence River. The population of the city of Châteauguay at the 2021 Census was 50,815, and the population centre was 75,891.
Candiac
town in the Montérégie, in Quebec, Canada
Sainte-Catherine
city in Montérégie, in Quebec, Canada
Saint-Constant
city in Montérégie, Quebec, Canada
La Prairie
city in Montérégie Québec, Canada
Delson
Delson is an off-island suburb (South shore) of Montreal, Quebec, Canada. It is situated 8 mi/13 km SSE of Montreal within the regional county municipality of Roussillon in the administrative region of Montérégie. The population as of the Canada 2021 Census was 8,328.
Mercier
town in Montérégie, in southwestern Quebec, Canada
Léry
town in Montérégie, Quebec, Canada
Saint-Philippe
town in Montérégie, Quebec, Canada

Saint-Mathieu
municipality in Montérégie, Quebec, Canada
Saint-Isidore
parish municipality in Montérégie, Quebec, Canada