Dhaka is located in central Bangladesh at , on the eastern banks of the Buriganga River. The city lies on the lower reaches of the Ganges Delta and covers a total area of .  Tropical vegetation and moist soils characterize the land, which is flat and close to sea level. This leaves Dhaka susceptible to flooding during the monsoon seasons owing to heavy rainfall and cyclones. Due to its location on the lowland plain of the Ganges Delta, the city is fringed by extensive mangroves and tidal flat ecosystems. Dhaka District is bounded by the districts of Gazipur, Tangail, Munshiganj, Rajbari, Narayanganj, Manikganj.