Tanzania is on the eastern side of Africa.
Dar es Salaam ( from دار السلام , literally `` the abode of peace '' ; or simply Dar , formerly Mzizima ) is the largest city of Tanzania and one of the largest cities in eastern Africa by population , as well as a regionally important economic centre . Tanzania [ ˌtænzəˈniːə ] , officially the United Republic of Tanzania ( Jamhuri ya Muungano wa Tanzania ) , is a country in Eastern Africa within the African Great Lakes region .