Romieu-Sud is a Unincorporated area located in Les Méchins; Matane, Quebec.

• Latitude: 48° 58' 32'' North   (decimal: 48.9756004)
• Longitude: 66° 47' 49'' West   (decimal: -66.7969170)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Lieu-dit
• Canadian Province/Territory: Quebec
• Location: Les Méchins; Matane
• Atlas of Canada Locator Map: Romieu-Sud
• GPS Coordinate Locator Map: Romieu-Sud Lat/Long