evidence: The Kafia Kingi area is disputed between South Sudan and Sudan and the Ilemi Triangle is disputed between South Sudan and Kenya. [...] South Sudan is a member state of the United Nations,[113] the African Union,[25][114] the East African Community,[115][116][117] and the Common Market for Eastern and Southern Africa.[118] South Sudan plans to join the Commonwealth of Nations,[119] the International Monetary Fund,[120] OPEC+, and the World Bank.[121] Some international trade organizations categorize South Sudan as part of the Greater Horn of Africa.[122] [...] - UN Outrage at South Sudan Attack - 2011 establishments in South Sudan - Central African countries - Countries in Africa - East African Community - East African countries - Countries and territories where English is an official language - Federal republics - Landlocked countries - Least developed countries - Member states of the African Union - Member states of the United Nations - South Sudan - States and territories established in 2011