The Municipality of Balo-i (pronounced as ba-lo-e) is a 3rd class municipal, a 3rd class has ₱ 30,000,000 or more but less than ₱ 40,000,000 based on their average annual income during the last three calendar years. A municipal (also called towns) are distinct from cities, which are different category of local government unit (LGU). In the Philippines provinces are composed of cities and municipalities. The municipalities, in turn, are composed of barangays or barrios.
Balo-i is located on the north-eastern part of the province of Lanao del Norte. It is bounded on the north by Iligan City, on the east by Tagoloan, on the south by Pantao Ragat, and on the west by Poona Piagapo and Matungao. It has a total land area of 90.98 km2 (35.13 sq mi) and is politically subdivided into 21 barangays.
It is also the home of the Agus IV Hydroelectric Power plant (located in barangay Nangka which is 18 kilometers from Iligan City). The first underground hydroelectric plant in Mindanao and the third in the Philippines, located 120 meters below ground surface.
Balo-i is politically subdivided into 21 barangays namely: