The Bangsamoro Islamic Freedom Fighters (BIFF), also known as the Bangsamoro Islamic Freedom Movement, is an Islamist militant organization based in Mindanao, the Philippines.
 They are a smaller player in the overall Moro insurgency in the Philippines and are mostly active in Maguindanao and other places in central Mindanao.
 It is a breakaway group from the Moro Islamic Liberation Front founded by Ameril Umbra Kato.
The Moro Islamic Liberation Front (MILF; Arabic: جبهة تحرير مورو الإسلامية‎ ‎ "Jabhat Taḥrīr Moro al-ʿIslāmiyyah") is a group based in Mindanao, Philippines seeking an autonomous region of the Moro people from the central government.
 The group has a presence in the Bangsamoro region of Mindanao, the Sulu Archipelago, Palawan, Basilan, and other neighbouring islands.
Operation Audacity (Filipino: "Oplan Pagpangahas") was a military operation during the 2000 Philippine campaign against the Moro Islamic Liberation Front which took place in Cotabato, Philippines.
 The Philippine Army, primarily units of its 6th Infantry Division, assaulted and cleared Moro Islamic Liberation Front forces from the Carmen-Banisilan area of Cotabato.
The Bangsamoro Autonomous Region (Filipino: "Rehiyong Awtonomo ng Bangsamoro" Arabic: ‎ ‎ "Munṭiqah banjisāmūrū dhātiyyah al-ḥukm") is a proposed autonomous region within the Philippines.
 The proposal is part of the Framework Agreement on the Bangsamoro, a preliminary peace agreement signed between the Moro Islamic Liberation Front and the government.
 When Rodrigo Duterte won as President of the Philippines in 2016, his administration announced that the Bangsamoro Basic Law bill would shelved instead of being taken up by the 17th Congress of the Philippines.
Operation Valiancy (Filipino: "Oplan Kagitingan") was the initial military operation of the 2000 Philippine campaign against the Moro Islamic Liberation Front which took place in Maguindanao, Philippines.
 The Philippine Army, primarily units of its 6th Infantry Division, assaulted Moro Islamic Liberation Front forces in the Talayan-Shariff Aguak-Datu Piang area of Maguindanao and captured Camp Omar ibn al-Khattab, its third largest camp located there.
 Camp Omar, named after Umar, a senior Sahabi of the Islamic prophet Muhammad, served as the headquarters of the 206th BIAF brigade under Ameril Umbra Kato and was defended by 500 guerillas.
 Camp Jabal Uhob, another MILF camp in the area, was also captured.
 Planned to be a week-long operation, "Valiancy" took only two days to realize its objectives.
Maradeka is an emerging pro-democracy Muslim political organization espousing non-violent political action in the Philippines amidst the backdrop of over four decades of armed Muslim insurgency mounted by Moro National Liberation Front (MNLF) and Moro Islamic Liberation Front (MILF) in their Moro Quest for self-rule after people dissenting Philippine government treatment of Muslim minority as second class citizens and suffering years of social, economic, and political inequities called Mindanao problem
The Battle of Camp Abubakar, (codenamed Operation Terminal Velocity) was the final phase of the 2000 Philippine campaign against the Moro Islamic Liberation Front which resulted in the capture of Camp Abubakar al Siddique, stronghold of the Moro Islamic Liberation Front and its largest settlement, and seat of its Shariah-based government.
Umbra Amiril Kato (18 May 1946 – 14 April 2015) was the founder of the Bangsamoro Islamic Freedom Fighters (BIFF) a group which seceded from Moro Islamic Liberation Front (MILF).
 He joined the MILF after 1985, after he graduated from Imam Muhammad bin Saud Islamic University in Riyadh, Saudi Arabia.
 Umbra Kato was the Philippines' most wanted man though due to his still official membership in the MILF he was not hunted by the military.
 However a warrant of arrest was filed against him together with other BIFF members by the Philippine National Police.
 The Armed Forces of the Philippines, with the MILF, launched Operation Darkhorse in a bid to arrest him in January 2014.
The Council of 15 was the group of 15 leaders within the Moro National Liberation Front (MNLF) that forged a unity agreement with the Moro Islamic Liberation Front (MILF).
 The agreement was signed in Kuala Lumpur and coincided with the Filipino President's visit.
 Muslimen Sema is the current chairman of the group.
 The government of the Philippines recognizes Sema as the chairman and representative of the MNLF despite the recognition of Nur Misuari as chairman by the Organisation of Islamic Cooperation, which the MNLF is an observer member to.
 Sema's group together with Habib Mudjahab Hashim’s MNLF Islamic Command Council (ICC), agreed to reunite with the MNLF under Misuari.
The International Monitoring Team (IMT) is a monitoring team composed of 60 members headquartered in Cotabato City, Mindanao of the Philippines to monitor the implementation of peace between the Government of the Philippines (GPH) and one of the largest rebels in the region, the Moro Islamic Liberation Front (MILF) in the Moro conflict.
 The team is led by Malaysia, and followed by Brunei, Indonesia, Japan, Libya, Norway and subsequently the European Union.

Question: Moro Islamic Liberation Front has a presence in which proposed region in the Philippines?
Answer: Bangsamoro