The ministry extended support for conducting the summit, the ministrys spokesman Billy Iqbal Alamsyah said here on Monday.
"We provided support in several forms, including by providing souvenirs, etc.," he said.
The summit was also a strategic forum to promote "Wonderful Indonesia" brand as a total of 605 delegates from 57 countries and two international organizations were present in the meeting, he said.
While the OIC leaders held a closed-door meeting, the ministry showed a video on Indonesias top tourist destinations at the media center set up to facilitate some 500 national and foreign journalists.
Heritage and Wonderful Indonesia stands presenting the Indonesian Beauty Pageant were set up in front of the media center.
Widayanti Bandia, head of the tourism business partnership department of the Tourism Ministry, said the ministry, in cooperation with Mustika Ratu, offered free spa treatment to delegates.
"The spa that we offer here is halal and in accordance with Syariah (Islamic laws)," she said.(*)