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
Daman Ganga River joins the sea at Daman, it is named Daman Ganga. At the estuary there is heavy sedimentation and hence the depth of water is shallow. Daman is located on both banks of the river (Portuguese name: Rio Sandalcalo). At the mouth of the river the bar is level bed made of hard sand, except for the North of the North point where the river enters the sea. The river basin (part of the basin of West flowing rivers from Tapi to Tadri), which lies entirely on the western ghats, has a total catchment area of . Catchment area distribution is: