Europeanization is a profound issue that impact the both domestic and foreing policies of the member states, quasi-member states, candidate states, neighbour states and other states of the world. The reason of the European impacts in these large geographies may be market power of the European Union and political, social and cultural powers of the Union. In this research, definition of the Europeanization, its mechanism and its transformative effects will be elaborated in three Balkan countries, namely Serbia, Bulgaria and Romania. The main argumentsof the research is that the Europeanization could not provide the effective transformations in the foreign policies of Serbia and domestic policies of the Bulgaria and Romania. At the end of the research study it has reached that this failure of Europanization in these countries is correlated with the preferences of the ruling elites in these countries.