Maguindanao del Sur, officially the Province of Maguindanao del Sur, is a landlocked province in the Philippines located in the Bangsamoro Autonomous Region in Muslim Mindanao in Mindanao. Its capital is the municipality of Buluan near the city of Tacurong in the neighboring province of Sultan Kudarat. It borders Cotabato province to the east, Maguindanao del Norte to the west, and Sultan Kudarat to the south. (Read more)