Which city, Yixing or Shangqiu, has a larger population?
Shangqiu Shangqiu (), formerly romanized as Shangkiu, is a city in eastern Henan province, Central China. It borders Kaifeng to the northwest, Zhoukou to the southwest, and the provinces of Shandong and Anhui to the northeast and southeast respectively. An ancient city with a rich history, Shangqiu was also the first capital of the Shang dynasty. Its population was 7,362,975 inhabitants at the 2010 census whom 1,536,392 lived in the built-up ("or metro") area made up of Liangyuan and Suiyang districts.
Chang'an District, Xi'an Chang'an District () is one of nine districts of Xi'an, the capital of Shaanxi province, China. It is the most spacious of the nine districts and third-largest out of all 13 county-level divisions of Xi'an, while it is also the second most-populous. The district borders the prefecture-level cities of Shangluo to the southeast and Ankang to the southwest, Weiyang and Yanta Districts to the north, Baqiao District to the northeast, Lantian County to the east, and Hu County to the west.