The Bay of Bengal is the largest bay in the world with waters flowing straight out of the Himalayas through Bangladesh. Roughly triangular, it is bordered by Bangladesh to the North, Myanmar to the East, Sri Lanka and India to the west. Countries dependent on the Bay of Bengal straddle both South Asia and Southeast Asia.The Bay of Bengal occupies an area of. A number of large rivers – the Ganges and three major rivers of Bangladesh the Padma, the Jamuna and Meghna, other rivers such as the Irrawaddy River, Godavari, Mahanadi, Krishna and Kaveri flow into the Bay of Bengal. Among the important ports are Chennai, Kolkata, Paradip, Tuticorin, Visakhapatnam, Krishnapatnam Port, Chittagong, Colombo, Mongla. Among the smaller ports are the Dhamra Port, Kakinada Port, Payra and Yangon.