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.
Jubek State
The capital of Jubek state is Juba, South Sudan. Juba is the capital of the entire country of South Sudan. Juba is also the most populous city in the state and country, and the city was also the capital of the former Juba County. Other cities in Jubek State include Gondokoro, Lado, Mongalla, Rejaf, and Rokon. All of these towns were part of Juba County prior to the 2015 decree.