Chinese mainland-Qin Zhou (now Tianshui, Gansu) Plateau in the hinterland of Chang 'an (now Xi, Shaanxi) in the middle of the Yellow River Basin in Guanzhong Basin-Yellow River Valley Basin in the northeast of Lanzhou Qinghai-Tibet Plateau-Liangzhou (now Wuwei, Gansu) is located at the intersection of loess, Meng Xin and Qinghai-Tibet Plateau, with complex terrain, high in the south and low in the north-Guazhou (now southeast of Anxi County, Gansu Province) Plateau-Yumenguan, and its geographical location is unknown. On the north and south sides are the middle and low mountainous areas-Gaochang (now Turpan, Xinjiang) basin-Aryan country (now Yanqi, Xinjiang)-Qu Zhi country (now Kuqa, Xinjiang)-Baloga country (now Aksu, Xinjiang)-Lingshan (now Musul Mountain)-Daqingchi (now Ise, Kyrgyzstan-southwest of tokmak)-Zhaowu's surname is seven.