which city has the highest population Qionghai or Jiangmen
Qionghai Qionghai () is one of the seven county-level cities of Hainan province, China. Although called a "city", Qionghai refers to a large land area in Hainan - an area which was once a county. Within this area is the main city, Qionghai City. It is located in the east of the island at the mouth of the Wanquan River, 86 km from the provincial capital of Haikou. It has an area of 1692 km2 and in 2010, it had a population of 483,217.
Xihu District, Nanchang Xihu District (Chinese: 西湖区; Pinyin: Xīhú Qū), literally meaning "west lake district", is a district of Nanchang, the capital of Jiangxi Province, China. The district was created in the Tang Dynasty when a bridge was built across Nanchang's Taihu lake, dividing the area into the East and West Lake districts. It covers over 39 square kilometers and as of 2004 had a population of 460,000.