The Chittagong Hill Tracts (CHT, ; Bengali: পার্বত্য চট্টগ্রাম, Parbatya Chatyagraam; ), or the Hill Tracts for short, is an area within the Chittagong Division in southeastern Bangladesh, bordering India and Myanmar (Burma). Covering , they formed a single district until 1984, when they were divided into three districts: Khagrachari District, Rangamati Hill District, and Bandarban District. Topographically, the Hill Tracts are the only extensively hilly area in Bangladesh.