The Intermarium region comprises a group of geographically contiguous Central and Eastern European countries that share a common historical, social, and cultural identity.

[7] The definition of the Intermarium region as a geopolitical centre does not refer to Józef Piłsudski's similarly named concept for the federalisation of European states.

[8] The creation of the Eastern Partnership, the Bucharest Nine, the Visegrád Group, and later the Three Seas Initiative created a regional dialogue on issues affecting the member states.

[9][10][11] The Lublin Triangle was established to strengthen mutual military, cultural, economic, and political cooperation and to support Ukraine's integration into the European Union and NATO.

This will enable these countries to form a future buffer from the Baltic to the Black Sea, balancing Russian imperial influence in Europe.