Hajin is a small city in eastern Syria, administratively part of the Deir ez-Zor Governorate, located along the Euphrates River, south of Deir ez-Zor. Nearby localities include al-Abbas to the west, al-Ramadi to the south and Gharanij to the north. According to the Syria Central Bureau of Statistics, Hajin had a population of 37,935 in the 2004 census. It is the administrative center of a nahiyah ("subdistrict") of the Abu Kamal District. The Hajin subdistrict consists of four towns which had a collective population of 97,970 in 2004. The al-Shaitat tribe is the largest tribe in the area. Beginning in 2017 and throughout most of 2018, Hajin served as the headquarters and de facto capital of the Islamic State of Iraq and the Levant terrorist organization. The town was captured by the majority-Kurdish Syrian Democratic Forces on 14 December 2018 after a week and a half of heavy clashes and intense airstrikes by a United States-led Combined Joint Task Force - Operation Inherent Resolve international Coalition.