The World Congresses of Philosophy are organized every five years by the International Federation of Philosophical Societies in collaboration with one of its member societies. The xxiii World Congress of Philosophy will be held from August 4 through August 10, 2013, in Athens, Greece, under the auspices of the Hellenic Organizing Committee, which has been constituted by the Greek Philosophical Society.

 The detailed information http://www.wcp2013.gr/en/universal/congress-filosofias.html