Distribution of 13 Islamized ethnolinguistic groups

1. Maranao       Lanao del Sur and Lanao de Norte

2. Maguindanao    Sultan Kudarat, North Cotabato, South Cotabato, Maguindanao and Sarangani

3. Tausug         Sulu, Tawi-Tawi, Basilan and Zamboanga provinces

4. Sama           Tawi-Tawi

5. Yakan          Basilan

6. Sangil         South Cotabato and Sarangani

7. Badjao (Sama Dilaut)     Sulu, Tawi-Tawi and Basilan

8. Kalibugan      Zamboanga provinces

9. Jama Mapun     Tawi-Tawi

10. Iranun        Lanao, Maguindanao and Cotabato provinces

11. Kalagan       Davao provinces

12. Palawani      Palawan

13. Molbog        Southern Palawan