Which city was the capital of the Oguz state in the 10th century?

Due to the nomadic way of life, the Oghuz had a winter and summer capital. The winter capital of the Oghuz state in the tenth century was the city of Yangikent. The palace of their ruler was built there, the city walls were erected, and a large military garrison was based. Historians believe that more than a thousand of the population permanently lived there. Also Yangikent was the center of handicrafts, metal processing and trade. Goods were delivered there by land caravans and along the Syr Darya River. It is known that there were also temples on the territory of the settlement.