Which city does Xingyang, Henan belong to?

According to Baidu map query, Xingyang, Henan Province belongs to Zhengzhou City. Zhengzhou (English name: ZhengzhouCity) was called "Shangdu" in ancient times, but now it is called "Greentown". People's Republic of China (PRC) (China) and Henan Province have jurisdiction over prefecture-level cities and provincial capitals, 6 districts, 5 cities, 1 county and 4 functional areas. It is a national central city, a megacity and one of the eight ancient capitals of China.