This Phocaean settlement soon acquired great importance as a trade centre. Its expansion eventually led to commercial domination of the southern coast of France, with some remote western outposts reaching as far as Iberia. The city maintained strong relations both with Greece and with the indigenous populations (Celts, Ligurians and Iberians).
Bouchard, Elsa. "Foundation of Massalia". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11157, accessed 30 August 2014.]