White Nile (Arabic:النيل الأبيضAn Nīl al Ābyaḍ) is one of the 18 wilayat or states of Sudan. It has an area of 30,411 km and an estimated population of approximately 1,188,707 (2006). Since 1994 Rabak is the capital of the state; other important cities include Kosti and Ed Dueim.