It borders Haute Matsiatra region in north, Atsimo-Atsinanana in east, Anosy in south and Atsimo-Andrefana in west.

[2] The area of Ihorombe is 26,391 km2 (10,190 sq mi) and it has one of the lowest population densities of the Malagasy regions.

[1] Ihorombe Region is divided into three districts, which are sub-divided into 31 communes.

Ihorombe has only one power station: a hydroelectric plant that serves the cities of Ambia, Ankily, Ihosy and Sahambano.

This Ihorombe location article is a stub.