Before American colonization, Munai was formerly a part of the State of Unayan,
Confederate States of Lanao based from ancient boundaries. The municipality of Munai traces its name to the “foundation” or origin of the Four Federated Sultanates of Lanao (Pata Phangampong nga Ranao). These four divisions have very close kinship ties which the settler called "Munai" on August 17, 1917 by virtue of the commonwealth Act No.38, out of the Province of Misamis. It became a regular Province of Lanao del Norte on May 23, 1970 by virtue of the Commonwealth Act. It is a fourth class municipality with 26 barangays. It is situated in the hinter land of the Province of Lanao del Norte, 18 kilometer away from the national high way. The population is predominantly Maranao with Islam as the religion. Generally, farming is the means of livelihood of the people. Copra. Corn, rice are among the major crops and vegetables are produced in minor level. About 80 percent of the population are farmers, and approximately 20 percent are engaged in small scale business and less than 1 percentage work as government employees. Munai has untapped rivers and springs potential for tourism. The Ledupa river flows 100 meters underground in the mountainous area of Barangay Tambo. The Omnang spring has 5 spring sources with crystal clear water. ==Geography==