Which community does Zhengzhou Blue Diamond Community belong to?

Zhengzhou Blue Diamond Community belongs to the seaport community of the sub-district office of Hanghai East Road. According to Baidu map, Zhengzhou Blue Diamond Community belongs to Haigang Community of Navigation East Road Sub-district Office. Zhengzhou generally refers to Zhengzhou city. Zhengzhou, referred to as "Zheng" for short, was called "in heaven and earth" in history, called Shangdu in ancient times, and now called Greentown. Henan Province governs prefecture-level cities, provincial capitals and megacities to promote the rise of central China. The 13th Five-Year Plan explicitly supports the construction of a national central city. Zhengzhou is located in the north-central part of Henan Province, at the junction of the middle and lower reaches of the Yellow River.