What is the Muslim center of the mainly Roman Catholic Philippines?

Kainantu

Mindanao 'Most Muslims belong to the Sunni branch of Islam. There is a small number of Shi'a believers in the provinces of Lanao del Sur and Zamboanga del Sur. Approximately 19 percent of the population of Mindanao is Muslim, according to the 1990 census. Members of the Muslim minority are concentrated in five provinces of western Mindanao: {Maguindanao;} Lanao del {Sur;} {Basilan;} {Sulu;} and Tawi-Tawi. There also are significant Muslim communities in nearby Mindanao provinces, including Zamboanga del Sur, Zamboanga del Norte, Sultan Kudarat, Lanao del Norte, and North Cotabato. There are sizable Muslim neighborhoods in metropolitan Manila on Luzon, and in Palawan.' http://www.state.gov/g/drl/rls/irf/2001/5725.htm ( Article by US Department of State ) http://www.motamaralalamalislami.org/muslimworld/jan2001/jan2001_b.html Feb 09 03, 2:38 AM