The article examines Warsaw's attempts to expand its influence in Central Europe by initiating various regional integration projects: cooperation with the Baltic sea countries participation in the development of the Carpathian region the newest format – the Lublin Triangle. The content of the Lublin Declaration signed on July 28, 2020 by Lithuania, Poland and Ukraine is analyzed in detail. Having been convinced by the example of Ukraine that the Eastern Partnership policy does not allow for quick results, as well as in connection with the events in Belarus, Poland decided to create a regional initiative that can be considered as a continuation of the Eastern Partnership policy. The Lublin Declaration opens up a wide range of potential areas of cooperation, however it is still too early to say how successful this project will be. Initially it was planned that Belarus would also join the Lublin Initiative, but later Minsk refused to participate. This seriously limited the project, but does not exclude the possibility of future innovations in its format. The author concludes that the Lublin Triangle is one of the Warsaw's instruments to realize the idea of Intermarium
The CBSS as a vehicle for institutionalised governance in the Baltic Sea Area, in comparison with its two sister organisations in the north
