ENOn 11 January 2023, the presidents of Ukraine, Lithuania, and Poland signed the Joint Declaration following the Second Summit of the Lublin Triangle in Lviv. It clearly confirmed that intensification of the tripartite dialogue would be es sential in the context of the ongoing Russian-Ukrainian war, especially in the areas of defence and security in the region of Central and Eastern Europe. Simultaneously, the Joint Declaration confirms the centuries-old historical ties between Ukraine, Lithuania, and Poland. To properly under stand the specificity of the Lublin Triangle and its cultural context as well as Poland’s attitude to this initiative, it is im possible not to refer to the aforementioned historical ties.