Fifth-tier cities. Jincheng is a five-tier city, which was called Zezhou and Jianzhou in ancient times. It is a prefecture-level city under the jurisdiction of People's Republic of China (PRC) and Shanxi. It is the only city in Shanxi Province that is included in the core development area of Central Plains urban agglomeration, and is known as "Phoenix City" and "Pearl of Taihang". The city boundary is located in the east of Shanxi Province, at the southern foot of Taihang Mountain, with a length of 160 km from east to west and a width of 100 km from north to south, covering 4 counties/districts 1 city, with a land area of 9490 square kilometers. In 202 1 year, the permanent population of Jincheng was 2 188600.