Cotabato (historical province)
…provinces of the Philippines, with an area of 2,296,791 hectares (22,967.91 km2). It was dissolved on 1973, comprising what are now the provinces of Cotabato (North), South Cotabato, Maguindanao del Norte, Maguindanao del Sur, Sultan Kudarat, and Sarangani. Upon its separation from the Department of Mindanao…