In March 2018, most of the Afrin Region was captured by the Turkish Armed Forces (TAF) and Syrian National Army (SNA) in Operation Olive Branch, becoming part of the Turkish occupation of northern Syria. The Afrin Region was reduced to an area around Tell Rifaat. In September 2018, the regions of Raqqa, Tabqa, Manbij and Deir ez-Zor were incorporated into the de facto autonomous region as well. Parts of the Euphrates and Jazira Regions also became occupied by the TAF and SNA after the October 2019 Turkish offensive into north-eastern Syria.