The overall character of the Black Sea region has been defined over time in various ways. For specialists in economy and trade, it has represented a region at the crossroads of the trade routes between Europe and Asia; for political scientists and historians, it has been a space of confrontation between the great terrestrial and naval powers; for the scholars attentive to its cultural dimensions, it has been a contact zone, a space of interaction between different peoples, religions and cultures. These attempts at a definition all revolve around an essential (and ambivalent) feature of the...