Which of the following cities hosts a population of 783,478: Xinzheng or Jiaozhou City?
Jiaozhou City: Jiaozhou (), formerly Jiaoxian or Jiao County, is a county-level city of Qingdao sub-provincial city, Shandong Province, China. Jiaozhou City:  It has an area of 1,313 km and a population at the 2000 Census of 783,478.
i don't know