The wide Yarlung River flowing from west to east (between Quxu and Gyacha) also known as Tsongpo and the Brahmaputra River in India and Jamuna in Bangladesh, and its tributaries flows through the middle and lower stretches of the city and is bounded by Lhasa on the north, Nyingchi on the east, Shigatse to the west and international border that extends to 630 kilometers with India and Bhutan.