The Institute of International Relations organizes annually an International Summer Seminar. The Seminar was established in 1992 and for the first six years it took place on the island of Corfu. Since 1998 till 2008 it has been held in the island of Hydra. The 2009 Seminar has been held in the island of Santorini.  Many prominent politicians, academics and experts in the field of Inter-national Relations, Politics, Development and Economics as well as senior diplomats and journalists have participat­ed in the Seminar.

Around 356 students have participated in the Seminar since its establish­ment representing over 35 countries including: Egypt, Ethiopia, Albania, Andorra, Armenia, Australia, Austria, Belgium, Bosnia, Bulgaria, France, Germany, Denmark, Switzerland, Greece, United Kingdom, United States of America, Iran, Spain, Israel, Italy, Canada, Croatia, Cyprus, Mexico, Nigeria, Norway, South Africa, Holland, Federal Republic of Yugoslavia, Hungary, Ukraine, Poland, Romania, Russia, Sweden, Turkey.

The main themes of the Seminar were:

2009	The New International Political Economy:  From Hegemonic to Cooperative Regimes?
2008	The Integration of the Western Balkans into the Euro-atlantic Structures
2007	Islam in Europe
2006	The Energy Issue: Cooperation and Conflict
2005	The EU, Turkey and Greece: Perceptions on the Middle East
2004	Eastern Europe and the Balkans 15 Years After
2003	The Greek Presidency and the External Relations of an Enlarged European Union
2002	The New International Crisis: Implications for International Politics
2001	American foreign policy in South-eastern Europe and the East Mediterranean under the new Bush Administration
2000	The Aftermath of the Crisis in Kosovo
1999 1998	European Security and Regional Conflict Resolution
1997 1992	Conflict Resolution