Mediterranean is a powerful concept, elaborated by Braudel in his seminal study on The Mediterranean and the Mediterranean World in the Age of Philip II. It encompasses economic, social and cultural dimensions. In the fourteenth century, Genoa, Venice, Barcelona were global places, controlling world-wide economic flows. This supremacy derived from the structuring of a crucial maritime area, the Mediterranean. What seems to be most remarkable in Braudel's analysis of the Mediterranean maritime world is how borders dematerialized, how flows started to define space and how different stages or levels of development clashed against one another. During the 18th century, thanks to the overlapping of its trading networks (Arabic, Indian, Portuguese...