Padma River is also known as the Ganga and was named the Hoogly or Hooghly River by the British. Further downstream, in Goalando, from the source, the Padma is joined by the Jamuna (Lower Brahmaputra) and the resulting combination flows with the name Padma further east, to Chandpur. Here, the widest river in Bangladesh, the Meghna joins the Padma, continuing as the Meghna almost in a straight line to the south, ending in the Bay of Bengal. The Padma forms the whole of the southern boundary of the Pabna District for a distance of about . The Jalangi River is thrown off
Madu Ganga estuary and the many mangrove islets on it constitute a complex coastal wetland ecosystem. In has high ecological, biological and aesthetic significance, being home to approximately 303 species of plants belonging to 95 families and to 248 species of vertebrate animals. The inhabitants of its islets produce peeled cinnamon and cinnamon oil. The Maduganga Wetland was declared in 2003, in terms of the Ramsar Convention. Madu Ganga The Madu Ganga is a minor watercourse which originates near Uragasmanhandiya in the Galle District of Sri Lanka, before widening into the Madu Ganga Lake at Balapitiya. The river then flows for a