Western Turkic Khaganate
During the reign of Tong Yabgu Qaghan, Suyab was the principal capital of the Western Turkic Khaganate. The khagan also had a summer capital in Navekat near the springs north of Tashkent in the Talas Valley, the capitals are being noted as the westernmost capital of Western Turkic Khaganate. There was a sort of symbiosis, with the Sogdians responsible for economical prosperity and the Gokturks in charge of the city's military security.