Municipal overview

Sultan Mastura, officially the Municipality of Sultan Mastura (Maguindanaon: Ingud nu Sultan Mastura; Iranun: Inged a Sultan Mastura; Tagalog: Bayan ng Sultan Mastura) and commonly known by its alternative name Subpangen, is a municipality in the province of Maguindanao del Norte, Philippines. According to the 2020 census, it has a population of 25,331 people.

It was created by virtue of the Muslim Mindanao Autonomy Act No. 89, carved from the municipality of Sultan Kudarat. The law was submitted on September 13, 1999, and lapsed into law on November 13, 1999. It was ratified by the people of Sultan Mastura through plebiscite on March 15, 2003. Its corporate existence started on April 28, 2003.

It was part of the province of Shariff Kabunsuan from October 2006 until its nullification by the Supreme Court in July 2008. 

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