Serves-sur-RhôneServes-sur-Rhône is a commune in the Drôme department in southeastern France.WWW serves-sur-rhone.comGeographyServes-sur-Rhône is positioned on the left bank of the River Rhône, on the Route Nationale 7, roughly from Lyon and from both Valence and Romans-sur-Isère.WineThe commune is in the AOC Côtes-du-Rhône wine-producing region of Crozes-Hermitage.