Which is a provincial capital, Zhengzhou or Huangzhou District?
Huangzhou District Huangzhou District () is a district of the city of Huanggang, Hubei province, People's Republic of China.
Huiji District Huiji District (Chinese: 惠济区; Pinyin: Hùijì Qū), formerly Mangshan District (邙山区), is a district of Zhengzhou, Henan, China.