The city of Maroantsetra is located deep within Antongil Bay, one of the largest and most protected bays on the eastern coast. The exact date of the settlement's foundation is not recorded in documents, as it formed naturally over the course of centuries. The city's name translates from the Malagasy language as "many spears." According to local legends, this name arose during the era of regional alliance formations, when impressive armies of warriors gathered here, and the number of their spears was so great that it resembled dense thickets of reeds.
The transformation of a small settlement into an important regional centre was driven by several strategic reasons. Its unique geography and location at the mouth of the Antainambalana River made the city a natural gateway to the interior regions of the island of Madagascar. The bay served as a convenient harbour for ships seeking shelter from Indian Ocean storms. Thanks to convenient access to the sea, the settlement became an important point for commodity exchange, where resources flowed from fertile valleys for further shipment by water.
Historically, this region is home to the Betsimisaraka ethnic group, whose culture is inextricably linked to the sea and the forest. The early period economy was based on fishing and rice cultivation, for which the climatic conditions here are ideal. Later, the production of spices began to play an important role. The humid tropical climate allowed the region to become one of the centres for growing vanilla and cloves, securing the city's status as an important agricultural and trade hub.