Before starting to understand Tanzania Language take some time to think do you know how to correctly pronounce ‘Tanzania’? It’s pronounced as "Tan-ZAN-ee-a" as opposed to the wrong and popular version of "Tan-Zu-KNEE-uh". On your Tanzania Safari Tours, you will be using this term a lot. So practice it well and let’s dwell on the various facts about the languages in Tanzania. Tanzania Official Languages Swahili is the most spoken in the country. Many local languages note: Kiswahili (Swahili) is the mother tongue of the Bantu people living in Zanzibar and nearby coastal Tanzania. Although Kiswahili is Bantu in structure and origin, its vocabulary draws on a variety of sources, including Arabic and English, and it has become the lingua franca of central and eastern Africa.