Khartoum (state) under the National Authority for the Arts, and the Omdurman Museum of Ibrahim Hijazi. 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. The city is located in the
Siege of Khartoum injustices caused by the Egyptian colonial administration: arbitrary imprisonments were cancelled, torture instruments were destroyed, and taxes were remitted. To enlist the support of the population, Gordon legalised slavery, despite the fact that he himself had abolished it a few years earlier. This decision was popular in Khartoum, but caused controversy in Britain. Gordon was determined to "smash up the Mahdi". He requested that a regiment of Turkish soldiers be sent to Khartoum as Egypt was still nominally a province of the Ottoman Empire. When this was refused, Gordon asked for a unit of Indian Muslim troops and later for