Zhengzhou is the capital and largest city of Henan Province in the central part of the People's Republic of China. Located in northern Henan, it is one of the National Central Cities in China, and serves as the political, economic, technological, and educational center of the province. The Zhengzhou metropolitan area is the core area of the Central Plains Economic Zone.

Zhengzhou Airport Economy Zone, abbreviated as ZAEZ, is an airport-based economy zone developed around Zhengzhou Xinzheng International Airport in Henan, People's Republic of China. It is located about 25 kilometres (16 mi) to the southeast of Zhengzhou, and covers an area of 415 square kilometres (160 sq mi).