By September 20 19, there were 128 five-tier cities in China, including 13 five-tier cities in Sichuan. Including Neijiang City, Dazhou City, Guangyuan City, Liangshan Yi Autonomous Prefecture, Suining City, Guang 'an City, Zigong City, Ya 'an City, Panzhihua City, Ganzi Tibetan Autonomous Prefecture, Aba Prefecture, Bazhong City and ziyang City. Zigong: a prefecture-level city in Sichuan Province, located in the south of Sichuan Basin. In 20 17, the total area of the city was 438 1 km2, the population was 3,239,400 (registered population in 20 17), and the regional GDP was1.31207 million yuan (20/kloc-0. Geographical location: Zigong is located in the south of Sichuan Basin, with latitude 28 55 ′ 37 ″ ~ 29 38 ′ 25 ″ north and longitude 65 438+004 02 ′ 57 ″ ~ 65 438+005 65 438+06 ′ 65 438+0 ″ east. Longchang and Lu Xian in the east, Jiangyang, Jiang 'an and nanxi district in the south, Cuiping and Zhou Xu in Yibin in the south, Qianwei and Jingyan in the west, Renshou, Weiyuan, Neijiang and Dongxing in the north. Administrative Division: As of September 2009, Zigong had jurisdiction over Ziliujing, Gongjing, Da 'an, Yantan, Rongxian and Fushun counties. There are 108 townships (streets) and 1427 villages (communities). 1, Sichuan, referred to as Sichuan or Shu for short, is one of the 23 provinces in China, with Chengdu as the capital. Located in the southwest of China, bounded by 26 03' ~ 3419' north latitude and 97 21'~108/2' east longitude, it borders Chongqing in the east, Yunnan and Guizhou in the south and Tibet in the west.
2. The landforms in Sichuan Province are quite different from east to west, and the topography is complex and diverse. It is located in the transition zone between the first Qinghai-Tibet Plateau in Chinese mainland and the middle and lower reaches of the third Yangtze River. The terrain is characterized by high in the west and low in the east, which consists of mountains, hills, plains, basins and plateaus. Sichuan province belongs to three major climates, namely, subtropical humid climate in Sichuan basin, subtropical semi-humid climate in southwest Sichuan and alpine plateau in northwest Sichuan. The overall climate is pleasant, and there are many longevity towns, such as Dujiangyan City, Pengshan District of Meishan City and Changning County. The population over 90 years old exceeds 1000.