Why was Fort-Dauphin important to early French activity in Madagascar?

In 1642, the French established Fort-Dauphin in the southeast of Madagascar, marking a significant early effort to secure a foothold on the island. The settlement served as a base for French activity until 1674, during which time it facilitated the documentation of the region; notably, one of the settlement's governors, Étienne de Flacourt, authored the first substantial description of Madagascar.12

While the initial settlement was eventually abandoned, Fort-Dauphin remained a focal point for later French colonial ambitions, as evidenced by the 18th-century attempt by the comte de Modave to re-establish a fortified presence there. These early efforts were part of a broader period of European interest in the region, which also saw the island become a frequent destination for pirates preying on Indian Ocean shipping routes.12