It is bordered by Betsiboka to the north, Bongolava and Itasy to the west, Alaotra Mangoro to the east, and Vakinankaratra to the south.
This region is delineated by Betsiboka to the north, Bongolava and Itasy to the west, Alaotra Mangoro to the east, and Vakinankaratra to the south.