1. Nanjing, also known as Stone Town, referred to as Jinling and Jiankang, is the capital of Jiangsu Province. It is located in the southwest of Jiangsu Province and the lower reaches of the Yangtze River. The maximum horizontal distance from east to west is about 70km, and the maximum vertical distance from north to south is about150km. The urban plane is long from north to south and narrow from east to west, covering an area of 6587.02 square kilometers.

2. Shanghai, referred to as "Shen" for short, is the largest economic center and an important international financial center city in China, and it is also the first batch of coastal open cities. Shanghai is located in the east of China, at the mouth of the Yangtze River, facing the Pacific Ocean. [146] By the end of 2020, the administrative division area of Shanghai was 63.40.5 square kilometers, and it governed 65.438+06 districts, with a permanent population of 24.8709 million.