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
Adi Ganga Adi Ganga Adi Ganga, also known as Gobindapur Creek, Surman’s Nullah and Tolly’s Nullah, was the main flow of the Hooghly River from the 15th to 17th century but has subsequently virtually dried up. The earlier course of the lower Ganges as it flowed through the Bhagirathi channel was somewhat different from what its flow at the beginning of the 21st century. At Tribeni, near Bandel, it branched into three streams. The Saraswati flowed in a south-westerly direction, past Saptagram. The Jamuna (not the same river as in north India or many streams of that name in eastern Bengal) flowed