The Tribal people of Bangladesh refer to ethnic minorities in Chittagong Hill Tracts (southeastern), Sylhet Division (northeastern), Rajshahi Division (west), and Mymensingh Division (north-central) areas of the country. They are not indigenous rather they are the tribal races, total population of ethnic minorities in Bangladesh was estimated to be over 2 million in 2010. They are diverse ethnic communities including Tibeto-Burman, Austric and Dravidian people. Indigenous people of Bangladesh are the mainstream people originating from Dravidian, Indo-Aryan, Middle Eastern and Asiatic ancestry.