The Croatian Chamber of Economy – Regional County Chamber Rijeka will organize the economic event Adria4Blue, devoted to the Blue Economy and Sustainable Development. The event will have an exhibition, presentation and conference section and will be held in the beautiful ambience of port of Rijeka, while the famous sailing regatta Fiumanka will also be held there. Four thematic units will be dicussed: green and smart coasts, green navigation, blue energy and clean waters and food from the sea.