Özgön (Kyrgyz: Өзгөн)[2] or Uzgen (Russian: Узген)[3] (from Sogdian Uzkand ("city of the Uz ")[4] is a town in Osh Region, Kyrgyzstan.
[1] The town is mentioned in Chinese annals of the second century BC.
It was one of the capitals of the Karakhanids, who called it Mavarannahr and left three well-preserved mausolea.
Özgön became the abode of Muhammad b. Nasr during the Kara-Khanid split into two branches.
Accounts of Özgön were found in the works of Arab writers like Al-Muqaddasi and Ibn Hawqal in the 10th century.