1. The largest municipality in China is Chongqing.

2. Chongqing, referred to as "Yu", also known as Mountain City, is a provincial-level administrative region, municipality directly under the Central Government, national central city, and megacity of the People's Republic of China. It is one of the important central cities in China approved by the State Council. 1. The economic center of the upper reaches of the Yangtze River, an important national modern manufacturing base, and a comprehensive transportation hub in the southwest region. As of the end of 2020, the city has jurisdiction over 26 districts, 8 counties, and 4 autonomous counties, with a total area of ??82,400 square kilometers and a permanent population of 32.0542 million.

3. Chongqing is located in the inland southwest of China. It is the economic, financial, scientific and technological innovation, shipping and trade logistics center in the upper reaches of the Yangtze River, a national logistics hub, and an important strategic fulcrum for the development of the western region. "One Road" is an important connection point with the Yangtze River Economic Belt, as well as an inland open highland, a place with beautiful mountains and clear waters; it is famous not only for its river city, fog city, and bridge city, but also for its mountain city. Chongqing is dominated by Han people, and the main ethnic minorities include Tujia and Miao. It is rich in tourism resources, including the Three Gorges of the Yangtze River, the World Cultural Heritage Dazu Rock Carvings, the World Natural Heritage Wulong Karst and Nanchuan Jinfo Mountain and other landscapes.