The Chittagong Hill Tracts (Bengali:পার্বত্য চট্টগ্রাম), (Parbotto Chôṭṭogram) comprise an area of 13,189 km2 in south-eastern Bangladesh. The area forms the border of Bangladesh with the Republic of India and Burma. It was a single district of East Pakistan till 1971. In that year it was divided into three separate districts: Khagrachari, Rangamati and Bandarban. Topographically, this is the only hill intensive area of the People's Republic. With a population of Around 800,000 Indigenous peoples (Native (non-Bengali). The Chittagong Hill Tracts is one of the most diverse regions in the country in terms of geography, ethnicity, culture and traditions of the people. The indigenous distinct Jumma people are distinct and different from the majority Bengali people of present-day "Bangla-desh" in respect of race, language, culture, heritage, religion, political history and economy.