It belongs to the district of Mahajanga II, which is a part of Boeny Region.

[3] Mahajamba Usine is served by a local airport in Fenoarivo Besakoa.

Primary and junior level secondary education are available in town.

This municipality is located on the coastline of Boeny and almost half its surface are made up by mangroves and bodies of water, including the Mahajamba river.

In 1993 also the first prawn farm of Madagascar settled here, Aqualma (Aquaculture de la Mahajamba).