The state of Wulei 烏壘 (Türkic name Yengisar), was located at the northern route of the Silk Road, around the region of modern Cedaya 策達雅 near Luntai 輪臺 (also called Bügür or Tarbugur 塔爾布古爾.), Xinjiang. During the Han period 漢 (206 BCE-220 CE) it was the seat of the Protectorate of the Western Territories (xiyu duhufu 西域都護府). The original place was called Luntai 輪臺 and was destroyed by the Chinese general Li Guangli 李廣利 in 102 BCE.
There was a prefecture (zhou 州) of Wulei during the Tang period 唐 (618-907).