The Autonomous Region in Muslim Mindanao is an autonomous region of the Philippines, located in the Mindanao island group of the Philippines, that consists of five predominantly Muslim provinces: Basilan (except Isabela City), Lanao del Sur, Maguindanao, Sulu and Tawi-Tawi. It is the only region that has its own government. The region's de facto seat of government is Cotabato City, although this self-governing city is outside of its jurisdiction.The ARMM previously included the province of Shariff Kabunsuan until 16 July 2008, when Shariff Kabunsuan ceased to exist as a province after the Supreme Court of the Philippines declared the "Muslim Mindanao Autonomy Act 201", which created it, unconstitutional in Sema vs. COMELEC.On 7 October 2012, President Benigno Aquino III said that the government aimed to have peace in the autonomous region and that it will become known as Bangsamoro Autonomous Region, a compound of bangsa (nation) and Moro.