Jordan has a population of 6.1 million. It is bordered by Syria to the north, Iraq to the north-east, Saudi Arabia to the east and south, as well as the West Bank and Israel to the west. The dominant topographic region is the Red Sea-Jordan Rift Valley which is a branch of the Great African Rift Valley system. The Dead Sea lowland in the west forms the edge of the plateau region, with barren desert plains located in the eastern and southern areas. The country’s principal river is the Jordan.