Châteauguay is a Unincorporated area located in Châteauguay; Roussillon, Quebec.

• Latitude: 45° 21' 47'' North   (decimal: 45.3630953)
• Longitude: 73° 44' 21'' West   (decimal: -73.7390378)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Bureau de poste
• Canadian Province/Territory: Quebec
• Location: Châteauguay; Roussillon
• Atlas of Canada Locator Map: Châteauguay
• GPS Coordinate Locator Map: Châteauguay Lat/Long