Taiyuan, referred to as "bοng", was called Jinyang in ancient times, also known as Bingzhou and Longcheng. It is a prefecture-level city, provincial capital and I-type big city under the jurisdiction of Shanxi Province, an important central city in the central region determined by the State Council, and an industrial base focusing on energy and heavy chemical industry. The total area is 6988 square kilometers. As of 0: 00 on 202 1,1/day, the resident population of Taiyuan is 5,390,957. [262]202 1 At the end of the year, Taiyuan City was under the jurisdiction of 6 districts and 3 counties, and it was hosted by 1 county-level city, and the Municipal People's Government was stationed in Xinghualing District. Taiyuan is the political, economic, cultural and international exchange center of Shanxi Province, the innovation demonstration area of the national sustainable development agenda, the northern military and cultural center of China, a world-class commercial city in Shanxi, an important energy and heavy industry base in China, an excellent tourist city in China and a national garden city. Taiyuan successfully hosted the 2nd National Youth Games, the China Central Expo and the China TV Huading Award. On August 2019 13, Taiyuan was selected as a national pilot city for the construction of urban medical complexes. On 2019101October 3 1 day, Taiyuan was selected as the first batch of 5G commercial cities. On July 30th, 20021year, the Ministry of Transport named Taiyuan as a national demonstration city for transit metropolis construction.