Burundi is an African country.
Burundi ( [ bəˈrʊndi ] or [ bəˈrʌndi ] ) , officially the Republic of Burundi ( Republika y' Uburundi , [ buˈɾundi ] République du Burundi , [ buʁundi ] or [ byʁyndi ] ) , is a landlocked country in the African Great Lakes region of East Africa , bordered by Rwanda to the north , Tanzania to the east and south , and the Democratic Republic of the Congo to the west . The population density of around 315 people per square kilometre ( 753 per sq mi ) is the second highest in Sub-Saharan Africa . One of the smallest countries in Africa , Burundi has an equatorial climate . The country lies on a rolling plateau in the centre of Africa .