Khartoum (state)
Khartoum State () is one of the eighteen states of Sudan. Although it is the smallest state by area (22,142 km), it is the most populous (5,274,321 in 2008 census). It contains the country's second largest city by population, Omdurman, and the city of Khartoum, which is the capital of the state as well as the national capital of Sudan. The capital city contains offices of the state, governmental and non-governmental organizations, cultural institutions, and the main airport.
Abyei
The Abyei Area () is an area of in Sudan accorded "special administrative status" by the 2004 Protocol on the Resolution of the Abyei Conflict (Abyei Protocol) in the Comprehensive Peace Agreement (CPA) that ended the Second Sudanese Civil War. The capital of Abyei Area is Abyei Town. Under the terms of the Abyei Protocol, the Abyei Area was declared, on an interim basis, to be simultaneously part of the states of West Kordofan (Sudan) and Northern Bahr el Ghazal (South Sudan).