It belongs to the district of Marovoay (33km), which is a part of Boeny Region.

The majority 82% of the population of the commune are farmers, while an additional 14% receives their livelihood from raising livestock.

[3] Antanimasaka has a riverine harbour, it is situated on the left banks of the Betsiboka River.

Antanimasaka was part of the municipality of Manaratsandry until 1996 when it was split off.

At first it was composed by 6 fokontany (villages): Ampijoroa, Antsakoamanera, Marosakoa, Benamamy sud and Anaborano but since then another 2 fokontany were created: Morafeno and Marosakoa.