It is situated at the coast of the Indian Ocean at 107 km North of Fort-Dauphin on the unpaved Route nationale 12a.

Manantenina lies at southern banks of the Soavary river.

09 fokontany (villages) are part of this municipality: Manantenina Haut, Manantenina Bas, Ambalateza, Ankarefo, Ampasimasay, Esama, Ankaromanihy, Manambato and Antanintsara.

[3] Primary and junior level secondary education are available in town.

35% are farmers, while an additional 10% receives their livelihood from raising livestock.