Northern Betsimisaraka is a northern dialect of Malagasy spoken by the Northern Betsimisaraka people. Classification. Northern Betsimisaraka dialect belongs to the Austronesian language family and is part of the Northern Malagasic branch. Geographic distribution. Northern Betsimisaraka is the popular dialect in the region of in the region of Sava, Analanjirofo, Atsinanana and also for Northern Betsimisaraka diaspora in the capital Antananarivo.