The Alps-Mediterranean Euroregion (transnational co-operation structure) was created the 10th July 2007 between three Italian regions (Piedmont, Liguria and Aosta Valley) and two French regions (Rhône-Alpes and Provence-Alpes-Côte d'Azur). It has area of about 110,460 km2 and more than 17 millions of inhabitants. The largest cities are Turin and Genoa from Italian side and Lyon and Marseille from French side.