Zhengzhou

Zhengzhou, previously romanized as Chengchow, is the capital and the largest city of Henan Province, China. With a population of 12.6 million people in 2021, it is China's 11th largest city by population. Zhengzhou is situated in north-central Henan Province at the eastern foothills of the Xiong'er Mountains and on the southern bank of the Yellow River; where its valley widens into the North China Plain. Zhengzhou is a major city within the Zhongyuan region, an area that has been continuously inhabited for over 4,000 years, and is considered a cradle of Chinese civilization. It is one of China's nine national central cities, serving as a major political, economic and transport hub. The Zhengzhou metropolitan area, including Zhengzhou and Kaifeng, is the core area of the Central Plains Economic Zone.

From the Wikipedia article Zhengzhou, CC BY-SA 4.0.