Zamboanga del Sur is a province of the Philippines located in the Zamboanga Peninsula region in Mindanao. Its capital is Pagadian City, which is also the regional center of Region IX. The province borders Zamboanga del Norte to the north, Zamboanga Sibugay to the west, Misamis Occidental to the northeast, and Lanao del Norte to the east. To the south is the Moro Gulf.





