The modern approach to regional initiatives possibilities application – the example of the Baltic-Black Sea safety belt concept

The article is devoted to the prospects of regional cooperation initiatives that could ensure the national security of Ukraine. In particular, discusses the evolution and creation of opportunities Baltic-Black Sea Union reformatting its prospects in recent times “security” and economic cooperation to the Adriatic Sea. Further transformation of the idea of Baltic-Black Sea Union as a result of the Polish-Croatian initiative “Baltic – Adriatic – Black sea” in the context of countering the aggressive policy of the Russian Federation and to promote stability in the region