“…During previous summits in , in Dubrovnik, in 2017, in Warsaw, in 2018, in Bucharest, and 2019, in Slovenia, the objectives, framework, and forms of cooperation were clearly defined. The initiative is to support economic and infrastructural cooperation mainly in the scope of energy, transport, and digital communication in Central and Eastern Europe on the North-South axis, create an investment climate for projects by exchanging knowledge, stimulating business initiatives especially in the areas of high potential, e.g., small-and medium-sized enterprises, start-ups and business incubators due to the organisation of the Business Forum accompanying official summits (Gębska, 2021;Lewandowski, 2017;Prezydent, 2016;Prezydent, 2018;Wiśniewski, 2017). The countries resolved that the 3SI format would be better to achieve their particular, bilateral and regional economic and political goals (Vareikis, 2018;Zbińkowski, 2019;Ene, 2017).…”