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.

Aleppo Governorate is one of the fourteen governorates of Syria. It is the most populous governorate in Syria with a population of more than 4,867,000, almost 23% of the total population of Syria. The governorate is the fifth in area with an area of 18,482 km2 (7,136 sq mi), or 18,498 km2, about 10% of the total area of Syria. The capital is the city of Aleppo.