Omdurmán is a major city in Sudan. It is the second most populous city in the country, and thus also in the State of Khartoum. Omdurman lies on the west bank of the River Nile, opposite and northwest of the capital city of Khartoum. It is on the Nile river and acts as an important road hub, with the Nile boosting transportation even further.

Khartoum State is one of the eighteen states of Sudan. Although it is the smallest state by area (22,142 km2), it is the most populous state in Sudan - 5,274,321 in the 2008 census, and officially estimated at 7,993,900 in 2018. It contains the country's largest city by population, Omdurman, together with the cities of North Khartoum and Khartoum; the City of Khartoum 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.