In view of the opening of EU membership negotiations with Turkey on 3 October 2005, this text deals with the debates on the country’s accession to the Union conducted to date both in the European countries and in Turkey itself. The main point of reference are the concepts of European identity that can be derived from the European and Turkish debates. A distinction is made between two lines of argument: on the one hand, the aspect of Turkey’s ‘cultural compatibility’ and, on the other, the aspect of ‘political conditionality’. Some problems that may arise from this both for the future of Europe and for Turkey’s future accession are examined. An additional excursus briefl y outlines the peculiarities of the Greek perspective on Turkey’s EU membership