Fos is a commune in the Haute-Garonne department in southwestern France. The commune is the lowest level of administrative division in the French Republic. Haute-Garonne ( Occitan: Nauta Garona; English: Upper Garonne) is a department in the southwest of France named after the In the context of the political and geographic organization of France and many of its former colonies a department (département depaʁtǝmɑ̃ is an Administrative division This article is about the country For a topic outline on this subject see List of basic France topics.