Tanzania shares a land border with Peru.
Lake Tanganyika is an African Great Lake . Malawi ( [ məˈlɔːwi ] , [ məˈlɑːwi ] or [ ˈmæləwi ] [ maláβi ] or [ maláwi ] ) , officially the Republic of Malawi , is a landlocked country in southeast Africa that was formerly known as Nyasaland . Peru , is a country in western South America . 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 .