At the invitation of the Ministry of Foreign Affairs of Thailand, the Director General of IRCICA Dr. Halit Eren gave a lecture at Devawongse Varopakarn Institute of Foreign Affairs (DVIFA), Ministry of Foreign Affairs of Thailand, Bangkok, on 10 June 2015. The lecture was organized within the framework of the Ministry’s Foreign Affairs Executive Programme, which adopted as this year’s theme: "Thailand and the Muslim World". The lecture was titled "Cultural diplomacy in the Muslim World: the OIC-IRCICA Experience". Dr. Eren talked about the growing importance of the cultural factor in international relations and the role of international organizations in activating this role. He underlined that an early and effective example of realization of this role of culture is found in the Muslim world. In this regard he reviewed the process of establishment and development of the OIC on the basis of Islamic solidarity and cooperation. A review of IRCICA’s founding motives and activities followed.