Pictured: Nha Ky wearing dress designed by Le Thanh Hoa at the ceremony.

His Royal Highness Sultan Mangacop Umpa Saud hosts the event that attracts the participation of representatives of Philippine President Rodrigo Duterte, Davao City, and nearly 1,000 Mindanao tribes people.

The appointment aims to promote peace, solidarity, and progress of the Philippines with Southeast Asia.

Pictures from the event.