The Betna River is located in

Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

. It originates in

Jessore District Jessore District (Bengali: যশোর, pronounced Jaw-shore, Anglicised: Jessore), officially spelled Jashore District from April 2018, is a district in the southwestern region of Bangladesh. It is bordered by India to the west, Khulna Distr ...

, flows through

Satkhira Satkhira( bn, সাতক্ষীরা) is a city and district headquarter of Satkhira District in Khulna Division, south-west Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. I ...

and

Khulna Khulna ( bn, খুলনা, ) is the third-largest city in Bangladesh, after Dhaka and Chittagong. It is the administrative centre of Khulna District and Khulna Division. Khulna's economy is the third-largest in Bangladesh, contributing $53 b ...

, changes its name to Kalia River, and forms a branch called Dalua River. The Kalia flows into the Kobadak River. The Betna changes to the name Arpangachhia when it reaches the

Sundarbans Sundarbans (pronounced ) is a mangrove area in the delta formed by the confluence of the Padma, Brahmaputra and Meghna Rivers in the Bay of Bengal. It spans the area from the Baleswar River in Bangladesh's division of Khulna to the Hooghly R ...

, and then changes name again to Malancha before flowing into the

Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean, bounded on the west and northwest by India, on the north by Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands of India. Its southern limit is a line between ...

References

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