57 representatives of 57 member states of the Organization of Islamic Cooperation attended the summit, with 30 of 57 representatives are heads of state, and a specially invited head of state President Nicolás Maduro of Venezuela.[1] Amongst the heads of state were host leader Turkish president Recep Tayyip Erdoğan, Palestinian president Mahmoud Abbas, Jordan's King Abdullah II; Lebanese president Michel Aoun, Iranian president Hassan Rouhani, Qatari emir Hamad bin Khalifa Al Thani, Pakistani prime minister Shahid Khaqan Abbasi[3] and Bangladesh president Abdul Hamid.[4]