First - Rabat, Kingdom of Morocco (September 22 - 25, 1969)

Second - Lahore, Islamic Republic of Pakistan (February 22 - 24, 1974)

Third - Makkah Al-Mukarramah, Kingdom of Saudi Arabia (January 25 - 28, 1981)

Fourth - Casablanca, Kingdom of Morocco (January 16 - 19, 1984)

Fifth - Kuwait, State of Kuwait (January 26 - 29, 1987)

Sixth - Dakar, Republic of Senegal (December 9 - 12, 1991)

Seventh - Casablanca, Kingdom of Morocco (December 13 - 14, 1994)

Eighth - Tehran, Islamic Republic of Iran (December 9-11, 1997)

Ninth - Doha, State of Qarar (November 12-13, 2000)