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
Brahmaputra River processes. The Ganga Delta, fed by the waters of numerous rivers, including the Ganga and Brahmaputra, is the largest river deltas in the world. The basin of the Brahmaputra river is 651 334 km and it is a good example of a braided river and meanders quite a bit and frequently forms temporary sand bars. A region of significant tectonic activity has developed in the Jamuna River and is associated with the Himalayan uplift and development of the Bengal foredeep. Several researchers has hypothesized that the underlying structural control on the location of the major river systems of Bangladesh. A