The Gorai-Madhumati is one of the longest rivers in Bangladesh and a distributary of the Ganges. In its upper reaches it is called the Gorai, and the name changes to Madhumati further downstream. The Madhumati streams through Kushtia, Jessore, Rajbari, Faridpur, Khulna, Pirojpur and Barguna districts in Bangladesh.
Manikganj is a district in central Bangladesh and part of the Dhaka Division. Established in 1845, it was originally a subdivision of Faridpur District. In 1956, it was included under Dhaka District for administrative purposes. In 1984, Manikganj was declared a full district.
The Khulna District is a district of Bangladesh. It is located in the Khulna Division, bordered on the north by the Jessore District and the Narail District, on the south by the Bay of Bengal, on the east by the Bagerhat District, and on the west by the Satkhira District. It was the very first sub-division of United Bengal Province established in 1842 under Jessore district. On 1 June 1882, by notification of the official gazette published from Kolkata, Khulna and Bagerhat sub-division of Jessore district and Satkhira sub-division of 24 Pargana district formed the new district of 'Khulna'.
The Baleshwari River is located in Bangladesh, forming part of the eastern border of Bagerhat District and the western border of Barguna District. It borders on the east the largest mangrove forest in the world, in the Ganges-Brahmaputra delta, the Bangladesh part of which is set aside as the Sundarbans Reserve Forest. The Baleshwar flows south into the Haringhata River, which in turn flows into the Bay of Bengal.
Raozan Upazila is an upazila of Chattogram District, in Chattogram Division, Bangladesh. It was established in 1947.
Dacope is an upazila of Khulna District in the Division of Khulna, Bangladesh. Dacope Thana was established in 1906 and was converted into an upazila in 1983.
The Bangshi is an important river in central Bangladesh. It originates in Jamalpur, from the course of the old Brahmaputra and flows past the Madhupur tract. It flows through Tangail and meets the Tongi in Ghazipur. It passes near Jatiyo Smriti Soudho in Savar and falls into the Dhaleshwari. About 238 kilometres (148 mi) long, it is not navigable for most of the year except when swelled by the monsoon rains. Louhajang River is a tributary of the Bangshi. Dhamrai on the banks of the Bangshi is famous for its muslin weaving.
Raimangal River is a tidal estuarine river in and around the Sundarbans in South 24 Parganas district in the Indian state of West Bengal and Satkhira District in Bangladesh.
Kalindi River is a tidal estuarine river in and around the Sundarbans in North 24 Parganas district in the Indian state of West Bengal, bordering on Satkhira District of Bangladesh.
Hariabhanga River (also spelt Haribhanga) is a tidal estuarine river in and around the Sundarbans in North 24 Parganas district in the Indian state of West Bengal, bordering on Satkhira District of Bangladesh.
The Bhairab is a river in south-western Bangladesh, a distributary of the Ganges. It passes through Khulna, dividing the city into two parts. Bhairab River originates from Tengamari border of Meherpur District and passes through Jessore city. The river is approximately 160 kilometres (100 mi) long and 91 metres (300 ft) wide. Its average depth is 1.2 to 1.5 metres and with minimal water flow, it has plenty of silt.
The divisions of Bangladesh are divided into 64 districts or zila. The headquarters of a district is called a district seat. The districts are further subdivided into 495 subdistricts or upazilas.
The fauna of Bangladesh includes about 1,600 species of vertebrate fauna and about 1,000 species of invertebrate fauna based on incomplete records. The vertebrate fauna consists of roughly 22 species of amphibians, 708 species of fish, 126 species of reptiles, 628 species of birds and 113 species of mammals. The invertebrate fauna includes about 30 species of aphids, 20 species of bees, 178 species of beetles, 135 species of flies, 400 species of spiders, 150 species of lepidopterans 52 species of decapods, 30 species of copepods, 2 species of starfish, and some species of sand dollars, sea cucumbers, and sea urchins.
The Rupsa is a river in southwestern Bangladesh and a distributary of the Ganges. The Rupsa is one of the most famous rivers of Bangladesh.
The Shibsa River is located in western Bangladesh, and is about 100 km long. The river forms much of the boundary between Paikgachha and Dacope upazilas. Inside the Sundarbans Reserve Forest, the Shibsa meets the Pasur River, then separates again near Mongla, before reaching the Bay of Bengal.
The Betna River is located in Bangladesh. It originates in Jessore District, flows through Satkhira and Khulna, changes its name to Kalia River, and forms a branch called Dalua River. The Kalia flows into the Kobadak River. The Betna changes its name to Arpangachhia River when it reaches the Sundarbans, and changes it again to the Malancha before flowing into the Bay of Bengal.
The Tentulia River, called Ilsha for part of its length, is located in Bangladesh. It is one of the larger coastal rivers of the Ganges-Padma system, and add major flow to the Meghna River.
The Haringhata River is located in Bangladesh. It is one of the large coastal rivers of the Ganges-Padma system south of the confluence of the Bhola and the Baleshwar, and sets part of the boundary between Bagerhat District and Barguna District before emptying into the Bay of Bengal. The Haringhata flows between Sarankhola Upazila in Bagerhat district, and Patharghata Upazila of Barguna district.
The Jhenai River is located in Bangladesh. It forms as an offshoot of the old channel of the Brahmaputra River, most of the water of which now flows through the Jamuna. The Jhenai bifurcates, with the main branch joining the Jamuna south of Sarishabari in Jamalpur District and another branch flowing south in Tangail District.
