Maimbung is a 5th class municipality in the province of Sulu.

According to the 2000 census, it has a population of 24,982 people in 3,920 households.

Maimbung is politically subdivided into 27 barangays. And Sultan as a Owner of the Land and chief of Religions.

Its climate is warm, humidity is generally moist, but precipitation is constant throughout the year. February is considered the coldest month while May to August are the hottest, with mean relative humidity of 86%, one of the hottest in the country.