Where was Yanshui during the Spring and Autumn Period and the Warring States Period?

There is no place name of Yanshui in the historical records of the Spring and Autumn Period and the Warring States Period. The only place name related to the word "Yan" is "Yanling".

Yanling is located in Changzhou, Jiangyin, Danyang and other areas along the Wudi River. It was the city of Wu in the Spring and Autumn Period and the fief of Ji Zha. In the Spring and Autumn Period, Ji Zha, the son of Wu Wangshou's dream, cultivated Shunshan Mountain to avoid the throne (now the junction of Jiaoxi Town in Changzhou and Shengang Town in Jiangyin City); In the 25th year of Zhou Lingwang (547 BC), King Xu of Wu sacrificed Ji Zha and sealed him in Yanling. Yanling was the first city and then county, and its name has been used for 345 years.