This study analyzes the gradual -acculturation- of the Celtic peoples in southern Gaul (, taking as central themes 'Hellenisation', 'Romanisation', and 'Gallic identity'. Contents: 1) Hellenism and the Greek Colonization of Southern Gaul; 2) Trade; 3) Gallo-Greek Relations, Seventh Century - Fifth Century BC; 4) Consumption, Production and Southern Gaul; 5) Urbanism in Southern Gaul; 6) Art and Cult Sanctuaries; 7) Overview of Gallic Relations with the Greek World.