Greek Antiquity / ColonizationThe Greek Colony of Massalia (Marseille); circa 400 B.C. Marseille is a Greek colony founded by Phocaeans around 600 B.C. under the name of Massalia. From the 5th century B.C. It became; along with the Phoenician Carthage; one of the principal seaports of the western Mediterranean. Throughout the Hellenistic period she was a faithful ally of Rome.3D Reconstruction (2017).