the west and the equally important Meghna encloses the district on the east. They are connected by the old channel of the Brahmaputra
it is known by various names in the region: Assamese: ব্ৰহ্মপুত্ৰ নদ ('নদ' nôd, masculine form of 'নদী' nôdi "river") Brôhmôputrô [bɹɔɦmɔputɹɔ]; Sanskrit: ब्रह्मपुत्र, IAST: Brahmaputra
it flows across southern Tibet to break through the Himalayas in great gorges (including the Yarlung Tsangpo Grand Canyon) and into Arunachal Pradesh (India).[4] It flows southwest through the Assam Valley as Brahmaputra and south through Bangladesh as the Jamuna