Revolution in Ukraine and the ongoing Ukrainian-Russian conflict have opened a new chapter in the history of international relations and have significantly changed geopolitical situation in Central and Eastern Europe as well as globally. One of important consequences of the ongoing conflict is a change in the balance of power and the character of international relations in Eastern Eu-rope as well as a change in the implementation of foreign and security policies of individual countries. Thus, the objective of this study is to analyze the Eastern policy implemented by Poland and the consequences of the present crisis, with a special emphasis on the relations with Ukraine and Russia.