Historical Preconditions of Formation of the Concept “Intermarium” in the Face of Contemporary Challenge

The article analyzes the main vectors of foreign policy of the Ukrainian state: the Eurasian, European, South-East. It focuses on the development of the South-East geopolitical areas through practical implementation of the concept “Intermarium” in the face of increasing international calls. The idea of creating a Baltic-black sea Union was supported by a number of Ukrainian and foreign figures: the Josef Pilsudski Siegfried Marocs Hrushevsky, Andrei Sinyavsky, Tadeusz Golovko, Wladyslaw Sikorski, Jaroslaw Kaczynski and other. It is noted that the implementation of the project “Intermarium” will have a significant geopolitical, economic and socio-cultural benefits.