Kaptai is an Upazila of Rangamati District in the Division of Chittagong, Bangladesh.Notable landmarks are the Karnaphuli Hydroelectric Power Station, the only Hydro-electric power plant of Bangladesh. The Kaptai Dam, built for this purpose on the Karnaphuli River, created the Kaptai Lake, the largest man-made dam in Bangladesh.GeographyKaptai is located at. It has 12992 households and total area 259 km².DemographicsAt the 2001 Bangladesh census, Kaptai had a population of 66,135. Males constituted 55.45% of the population, and females 44.55%. The population of those aged 18 and older was 32,352. The average literacy rate was 49.9% (7+ years).Points of interest Kaptai lake Karnaphuli Paper Mills Kaptai national park Navy camp picnic spot Joom picnic spot Waggachara Tea Estate Chitmaram buddhist templeAdministrationKaptai has 5 Unions/Wards, 10 Mauzas/Mahallas, and 144 villages.