From which city in my country did Su in Gansu originate? Jiuquan, located in the northwest of Gansu Province, was an important transportation hub and commercial center in history. During the Tang Dynasty, Jiuquan had already become an important stop on the Silk Road, and its status was firmly established.
Jiuquan
Zhangye
Answer: Jiuquan
Knowledge expansion: "The "Su" of Gansu came from Jiuquan. For the Central Plains dynasty, losing Jiuquan would mean Hexi was not protected, which would endanger the Central Plains. Therefore, the Han Great Wall and the Ming Great Wall extended all the way, and the westernmost end ended at Jiuquan.
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