High Quality Content by WIKIPEDIA articles! Saint-Aubin-de-Médoc is a commune in the Gironde department in Aquitaine in south-western France. Gironde is a common name for the Gironde Estuary, where the mouths of the Garonne and Dordogne rivers merge, and for a department in the Aquitaine region situated in southwest France.Gironde is one of the original 83 departments created during the French Revolution on March 4, 1790. It was created from parts of the former provinces of Guyenne and Gascogne.