Brief introduction of Chongqing, referred to as Chongqing? Hey? Also known as Mountain City, it is a provincial administrative region, municipality directly under the Central Government, national central city and megacity in People's Republic of China (PRC), one of the important central cities in China, the economic center of the upper reaches of the Yangtze River, an important modern manufacturing base of the country and a comprehensive transportation hub in southwest China, which was approved by the State Council. With a total area of 82,400 square kilometers, it governs 26 districts, 8 counties and 4 autonomous counties, with a permanent population of 3 1.2432 million, an urban population of 20,869,900 and a permanent population of 1.6765 million.
Located in the southwest of China, Chongqing is the logistics center of economy, finance, science and technology, shipping and commerce in the upper reaches of the Yangtze River, the national logistics hub and the important strategic fulcrum of the western development. Belt and Road? And the scenic inland open highlands; It is famous not only for Jiangcheng, Wudu and Qiaocheng, but also for its mountain city. Chongqing is dominated by the Han nationality, and ethnic minorities mainly include Tujia and Miao. Rich in tourism resources, including the Three Gorges of the Yangtze River, Dazu Stone Carving, Wulong Karst, Nanchuan Jinfo Mountain, etc.
Chongqing is a national historical and cultural city. 1 189, Song Guangzong Zhao Dun was made King Gong first, then he ascended the throne, boasting? Shuangqing? Chongqing got its name from this. Chongqing is? Hongyan spirit? Origin, the birthplace of Bayu culture, hot pot? 、? Diaojiaolou? Far-reaching influence; In the more than 3,000 years recorded in writing, it was once a national capital for three times and a city for four times. Do you know in history? Ba Yu? ; During the period of War of Resistance against Japanese Aggression, he was the capital of the national government. It has 10 national key laboratories, 10 national engineering technology research centers, 68 universities, China (Chongqing) Pilot Free Trade Zone, Sino-Singapore (Chongqing) strategic interconnection demonstration project, Liangjiang New Area, Chongqing-Chongqing New Europe International Railway, and West (Chongqing) Science City.
There are Daba Mountain in the north, Wushan Mountain in the east, Wuling Mountain in the southeast and Dalou Mountain in the south of Chongqing. The elevation of the main urban area of Chongqing is mostly between 168 ~ 400 meters. The highest peak in the city is Yintiaoling, the main peak of Liang Jie on the eastern edge of Wuxi County, with an altitude of 2796.8 meters; The lowest is the Yangtze River in Wushan County, with an altitude of 73. 1 meter. The height difference in Chongqing is 2723.7 meters. The territory of high mountains and deep valleys, ravines. Mountain areas account for 76%, hills account for 22%, and valley flat dams only account for 2%. Among them, the area below 500 meters above sea level is 3 1.8 thousand square kilometers, accounting for 38.1%of the national territory; 20,900 square kilometers at an altitude of 500-800 meters, accounting for 25.46438+0% of the land area; 16800 square kilometers at an altitude of 800 ~ 1200m, accounting for 20.42% of the national territory; Above sea level1.200m1.280km2, accounting for 15.56% of the national territory.
The terrain of Chongqing gradually decreases from north to south towards the Yangtze River basin, with hills and low mountains in the northwest and middle, and two mountains, Daba Mountain and Wuling Mountain, in the southeast with many slopes. Mountain city? Known as. The general terrain is high in the southeast and northeast, low in the central and western regions, and gradually decreases from north to south to the Yangtze River basin.