Afrin District is a district of Aleppo Governorate in northern Syria. The administrative centre is the city of Afrin. At the 2004 census, the district had a population of 172,095. Syria's Afrin District fell under the control of the People's Protection Units (YPG) around 2012 and an "Afrin Canton" was declared in 2014, followed by an "Afrin Region" in 2017. During Operation Olive Branch, the entire district was captured by Turkey and its allies.

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.