Isaka, Ambohimahasoa is a rural commune in the Central Highlands of Madagascar. It belongs to the district of Ambohimahasoa, which is a …Isaka, Ambohimahasoa is a rural commune in the Central Highlands of Madagascar. It belongs to the district of Ambohimahasoa, which is a part of Haute Matsiatra Region. The population of the commune was estimated to be 11,642 in 2018.