Rangamati Rangamati (Bengali:রাঙ্গামাটি পার্বত্য জেলা) is a district in South-eastern Bangladesh . It is a part of the Chittagong Hill Tracts and the town of Rangamati serves as the headquarters of the district. Area-wise, Rangamati is the largest district of the country. Geography of Rangamati Rangamati is located in the Chittagong