which city has the highest population Qionghai or Jiangmen
Qionghai:  It has an area of 1692 km2 and in 2010, it had a population of 483,217. Jiangmen: Jiangmen, formerly romanized in Cantonese as Kongmoon, is a prefecture-level city in Guangdong Province in southern China. Jiangmen:  Its 3 urban districts are now part of the Guangzhou–Shenzhen conurbation and the entire prefecture had a population of about 4.45 million in 2010.
Jiangmen