棉兰老岛包括棉兰老岛自身和主要由巴西兰岛(basilan),苏禄岛(sulu)和塔威塔威岛(tawi-tawi)组成的苏禄群岛。
The Mindanao islands include Mindanao itself , plus the Sulu archipelago , composed primarily of Basilan , Sulu , and Tawi-Tawi .