The Betna River is located in

Bangladesh Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by ...

. It originates in

Jessore District Jessore District, List of renamed places in Bangladesh, officially Jashore District (; ), is a Districts of Bangladesh, district in southwestern Bangladesh. It is bordered by India to the west, Khulna District, Khulna and Satkhira District, Satk ...

, flows through Satkhira and

Khulna Khulna (, ) is the third-largest city in Bangladesh, after Dhaka and Chittagong. It is the administrative centre of the Khulna District and the Khulna Division. It is the divisional centre of 10 districts of the division. Khulna is also the seco ...

, where it is called Kalia River, and forms a branch called Dalua River. The Kalia is a tributary of the Kobadak River. The Betna changes its name to Arpangachhia River when it reaches the

Sundarbans Sundarbans (; pronounced ) is a mangrove forest area in the Ganges Delta formed by the confluence of the Ganges, Brahmaputra and Meghna Rivers in the Bay of Bengal. It spans the area from the Hooghly River in India's state of West Bengal ...

, and changes it again to the Malancha before flowing into the

Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Mainland Southeast Asia, Indochinese peninsula, located below the Bengal region. Many South Asian and Southe ...

References

Rivers of Bangladesh Rivers of Khulna Division {{Bangladesh-river-stub