Az were Turkophone people from present-day Russia whose origins are still vague. Their existence is confirmed by the Tannu-Ola mountains inscriptions of Mugur-Sargol and Bayan-Kol and certain verses of the Göktürks, while describing the battles between the Göktürks and the Kyrgyz. According to the Bayan-Kol inscriptions, the Az were divided to many clans living in the region of Mugur west of the Tannu-Ola mountains. There are also writings from the 8th century (around 7…