Ötüken
Ötüken or Otuken (Old Turkic: 𐰇𐱅𐰜𐰤:𐰖𐰃𐱁, romanized: Ötüken yïš, lit. 'Ötüken forest' or 𐰵𐱅𐰜𐰤:𐰘𐰼, romanized: Ötüken jer, lit. 'land of Ötüken'; Old Uighur: 𐰵𐱅𐰜𐰤:𐰘𐰃𐱁, romanized: Ötüken yïš; Chinese: 於都斤) was the capital of the First Turkic Khaganate, the Second Turkic Khaganate and the Uyghur Khaganate.