Zhengzhou, alias Shangdu and Greentown, the capital of Henan Province, is an important central city in central China, an important comprehensive transportation hub of the country and the core city of the Central Plains Economic Zone. Zhengzhou is the hometown of Xuanyuan Huangdi, the ancestor of Chinese humanities, one of the "eight ancient capitals of China" and a member of the World Historical Metropolis Alliance.
Located in the south of North China Plain and the lower reaches of the Yellow River, it is located in the north-central part of Henan Province, adjacent to Kaifeng in the east and Luoyang in the west. Zhengzhou is located in the Central Plains, with a temperate monsoon climate, four distinct seasons, high terrain in the southwest and low terrain in the northeast. At the end of 20 18, Zhengzhou administered 6 municipal districts, 1 county, and hosted 5 county-level cities, with a total area of 7,446 square kilometers and a built-up area of 830.97 square kilometers, with a total population of1kloc-0/20,000 and an annual GDP of10.