This paper attempts to evaluate the forces behind the Turkish-Greek rapprochement, its prospects and its limitations. In the first part, through an analysis of the route from detente to rapprochement. the case for sustainable changes in the foreign policies of the two countries will be made from confrontation to cooperation. In the second part, the effect of Europeanization on the foreign policies of Greece and Turkey and on their bilateral disputes will be discussed, with a view to presenting the overall contribution of the EU to bilateral affairs in the way of opportunities offered and constraints set. Finally, in the third and fourth parts it is argued that obstacles to rapprochement still remain, particularly in the form of nationalism.