Inicjatywa Trójmorza w polskiej polityce zagranicznej

The purpose of this article is to analyse activities of the new regional grouping in the Central Europe – the Three Seas Initiative. The research covered the declared and factual goals, with particular emphasis on the question to what extent the project is infrastructural and economic, and how much the political and geostrategic. It covers also description of both summits held before 2018 in Dubrovnik and Warsaw, which is followed by analysis of criticism of the idea. Main fields of cooperation are presented with its perspectives, possibilities and constraints. The final part of the article presents factors that in the future will determine the dynamic development of the Initiative or its rapid stagnation and disappearance.