Nganzai is a Local Government Area of Borno State in northeastern Nigeria.

Nganzai LGA has an administrative headquarters in Gajiram town with the area council consisting communities and villages of Nganzai, Badu, Alarge, Damaram, Gadai, Kuda, Kurnawa, Maiwa, Miye, Sugundure, Gajiram and Sabsabuwa.

It has a population of over 100,000 people who were displace by terrorist group of Boko Haram and later resettled by his Excellency Proff Babagana Umara Zulum.

The average temperature of Nganzai LGA, which spans 2,467 square kilometers, is 34 degrees Celsius.

The LGA experiences two different seasons, with an estimated 1100 mm of precipitation falling on the region annually.