[5] Bumbaran is named after the legendary city of Magalinday Bembaran in the Darangen, a Meranau (Maranao) epic.

[6] At that time, the municipality consisted of 21 barangays namely: Sumogot, Francfort, Lambanogan, Punud, Comara, Aparport, Paglamatan, Natangcopan, Mansilano, Salam, Bandara-Ingud, Ranao-Ibaning, Bagumbayan, Pagonayan, Piagma, Lico, Siuan, Lama, Borntacan, Miorod, and Someorang.

[citation needed] On January 22, 2015, Bumbaran was renamed to Amai Manabilang by virtue of Muslim Mindanao Act No.

[5] The municipal boundaries are defined as follows: on the east by the municipality of Wao, separated by a straight line 13.65 kilometers (8.48 mi) long, drawn northward from Point 1 to Point 2 on the bank of the Maladugao river 1.5 kilometers (0.93 mi).

[12] Amai Manabilang is inhabited by settlers of different origins, like Ilonggos, Ivatans, Ilocano, Bisaya and other smaller ethnic groups that dominated barangays Francfort and Sumugot.

Having rich soil, the municipality is one of the largest corn producers in the province, only second to its mother municipality of Wao for having vast agricultural land capable of producing variable crops which could give sufficient food and income to the population.