Introduction to Yelang City: The site of Yelang City is located in Yelangba, Yelang Town, Zunyi City, Guizhou Province. It is a small basin surrounded by mountains. It is the only place named after "Yelang" on the current Chinese map. It is also the site of Yelang County in the Tang Dynasty and was built in the 16th year of Zhenguan in the Tang Dynasty.