The Bay of Bengal (lang-bn?????????? IPA-bn?b???opo????go?), the largest bay in the world (Headlands and bays), forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered by Bangladesh (land of Bengal, where the name of the Bay originates from) and the Indian state of West Bengal to the north India and Sri Lanka to the west and Burma (Myanmar) and the Andaman and Nicobar Islands to the east.

The Bay of Bengal occupies an area of 2,172,000 km�. A number of large rivers - Padma (Padma River) (distributary of Ganges), Meghna (Meghna River) (distributary of Brahmaputra), Jamuna (Jamuna River) (branch of Brahmaputra), Ayeyarwady (Ayeyarwady River), Godavari, Mahanadi (Mahanadi river), Krishna and Kaveri - flow into the Bay of Bengal. Among the important ports are Cuddalore, Ennore, Chennai, Kakinada, Tuticorin, Machilipatnam, Vishakhapatnam, Paradip, Kolkata, Mongla (Port of Mongla), Chittagong and Yangon.