Omdurman is the largest city in Sudan and is located on the west bank of the River Nile, across from Khartoum. The city has a population of over 1.5 million people and is the capital of the Khartoum State. Omdurman is one of the most culturally and religiously diverse cities in Sudan, with people from different parts of the country and different religions living there. The city is home to the Islamic University of Omdurman, which is the largest university in Sudan. The city is also home to the Al-Nur Mosque, which is the largest mosque in Sudan.