The enlargement of the European Union to include eventually Turkey and the former communist countries is a major challenge for our understanding of the meaning of Europe as a geopolitical, social and cultural space. It is also a question of the identity of Europe as one shaped by social or systemic integration. With the diminishing significance of national borders within the EU, the outer territorial frontier is also losing its significance and Europe will become more and more postwestern. It thus (...) appears that the eastern frontier is more flexible than was previously thought. The EU is now at the decisive point of moving beyond postnationality to a transnational encounter with multiple civilizational forms. Enlargement is not just about getting bigger but is crucially a matter of cultural transformation and therefore it differs from all previous dynamics of Europeanization. Rather than tell the story of Europeanization exclusively as one of national histories and of closure, a civilizational analytic offers the possibility of multiple modernities and thus of a more appropriate theorization of the current situation. (shrink)