Covering an area of 8,240,000 square kilometers, the city of Chongqing has 40 administrative divisions of the district / county (autonomous county / city) level under its jurisdiction, including 15 districts (Wanzhou, Fuling, Yuzhong, Dadukou, Jiangbei, Shapingba, Jiulongpo, Nan¡¯an, Beibei, Wansheng, Shuangqiao, Yubei, Ba¡¯na, Qianjiang, and Changshou), 4 cities of the county level (Jiangjin, Hechuan, Yongchuan, and Nanchuan), 21 counties /autonomous counties (Qijiang, tongnan, Tongliang, Dazu, Rongchang, Bishan, Liangping, Chengkou, Fengdu, Dianjiang, Wulong, Zhongxian, Kaixian, Yunyang, Fengjie, Wushan, Wuxi, Shizhu Tujia Autonomous County, Xiushan Tujia-Miao Autonomous County, Youyang Tujia-Miao Autonomous County, and Pengshui Miao-Tujia Autonomous County). Centering around the principal urban area of Chongqing, or Chongqing proper, the other districts, counties, autonomous counties and cities are located around Chongqing proper like many stars shining around the bright moon, forming a cluster of modern cities with big, medium and smaller cities well-organized in groups and in a network system. At present, Chongqing is an extra-large metropolis, the most populous city that covers the largest area, a city with most administrative divisions in China.