Illizi is a large province (wilaya) in the south-eastern corner of Algeria named after its eponymous seat. It borders Ouargla Province to the north, Tunisia to the extreme northeast, Libya to the east, Djanet Province to the south and, to the west, In Salah Province and Tamanrasset Province. As of the 2008 census, the province had a population of 52,333 and an annual growth rate of 4.5%.