Sulu's an island province of the Philippines located in the Autonomous Region in Muslim Mindanao (ARMM). Its capital's Jolo and occupies the middle group of islands of the Sulu Archipelago, between Basilan and Tawi-Tawi. It's home to the historical Sultanate of Sulu. History The advent of Islam around 1138 had a distinct influence on Southeast Asia. The exodus of Arabs, Persians and other Muslims paved the way for the arrival of religious missionaries, traders, scholars and travelers to Sulu an… (More on Sulu)