Changzhi City, prefecture-level city under the jurisdiction of Shanxi Province, the provincial sub-center city, ancient name Shangdang, Luzhou, Lu'an, etc., is located in southeastern Jin, Jin, Hebei, Henan and other provinces, located in the Shangdang Basin, relying on the Taihang Mountains in the east, neighboring Hebei and Henan Provinces, the western screen of the Taiyue Mountains, and bordering with the city of Linfen, the southern part of Jincheng City, and the northern part of the border with the city of Jinzhong City, with a notable warm-temperature zone semi-moist continental monsoon climate. As of October 2022, the city has 4 districts and 8 counties, covering an area of 13,955 square kilometers. As of the end of 2022, the city's total population was 3,142,000 people. "Changzhi" was originally the name of the county in which Lu'an Prefecture was located, and was named in the eighth year of the Jiajing reign of the Ming Dynasty (1529), taking the meaning of "long-lasting peace". King Xian of Zhou twenty-one years (348 years ago), South Korea in this first Shangdang County, Qin Wangzheng twenty-six years (221 years ago), Qin unified the six countries divided the world into thirty-six counties, Shangdang County for one of them, the city retained the ancient Shangdang County Office gate Shangdang Gate and the largest surviving domestic, 408-meter-long axis of the Lu'an Prefecture, the city god temple. Changzhi is the center city of Southeast Jin, China's excellent tourist city, national forest city, national garden city, national sanitary city, China's special charm city, China's famous city of Chinese opera, and the national public cultural service system demonstration area. 2019, once again, it was selected as one of the "China's Top 100 City Brand Evaluation (prefecture-level cities)". In January 2022, Changzhi was selected as a national innovative city.On June 7, 2022, Changzhi established a counterpart cooperation relationship with Beijing. In 2023, the GDP of Changzhi City amounted to 280.62 billion yuan, which was 5.6% higher than that of the same period of the previous year according to the constant price. By industry, the added value of primary industry was 10.27 billion yuan, up 5.1% year-on-year; the added value of secondary industry was 181.47 billion yuan, up 7.2% year-on-year; and the added value of tertiary industry was 88.88 billion yuan, up 3.5% year-on-year.