Manbij is a city in the northeast of Aleppo Governorate in northern Syria, 30 kilometers (19 mi) west of the Euphrates. In the 2004 census by the Central Bureau of Statistics (CBS), Manbij had a population of nearly 100,000. The population of Manbij is largely Arab, with Kurdish, Turkmen, Circassian, and Chechen minorities. Many of its residents practice Naqshbandi Sufism.