The Tentulia River, called Ilsha for part of its length, is located in southern Bangladesh. [1] It is one of the larger coastal rivers of the Ganges-Padma system, [2] and adds major flow to the Meghna River. [3] The Ilsha is one of four principal mouths through which the Meghna empties into the Bay of Bengal in Bhola District.
22°13′05″N90°38′46″E / 22.218°N 90.646°E