The Karnaphuli River is a significant river in southeastern Bangladesh, flowing through the Chittagong region. It originates from the Mizoram state in India and travels approximately 250 kilometers before emptying into the Bay of Bengal. The river is vital for local transportation, irrigation, and fishing. The Karnaphuli River also plays a crucial role in the economy of the region. It supports the Chittagong Port, which is the busiest seaport in Bangladesh, facilitating trade and commerce. Additionally, the river's surrounding areas are rich in biodiversity, providing habitats for various aquatic species.