South Sudan, officially the Republic of South Sudan, is a landlocked country in northeastern Africa that gained its independence from Republic of the Sudan in 2011. Its current capital is Juba, which is also its largest city. South Sudan is bordered by Sudan to the north, Ethiopia to the east, Kenya to the southeast, Uganda to the south, the Democratic Republic of the Congo to the southwest, and the Central African Republic to the west. It includes the vast swamp region of the Sudd, formed by the White Nile and known locally as the Bahr al Jabal.
- Ranking drug prevalence (2012), unodc.org