Protectorate General to Pacify the West

The Protectorate General to Pacify the West (Anxi Grand Protectorate), initially the Protectorate to Pacify the West (Anxi Protectorate), was a protectorate (640 – c. 790) established by the Chinese Tang dynasty in 640 to control the Tarim Basin. The head office was first established at the prefecture of Xi, now known as Turpan, but was later shifted to Qiuci (Kucha) and situated there for most of the period.

Source: Wikipedia — Protectorate General to Pacify the West (CC BY-SA 4.0)