Zheng 'an County belonged to Yelang County during the Spring and Autumn Period and the Warring States Period. Zheng 'an County is a county under the jurisdiction of Zunyi City, Guizhou Province, located in the northeast of Zunyi City. It is the frontier of Jinlian Chongqing, an important economic and cultural intersection area in southern and northern Guizhou, and is known as the "gateway to northern Guizhou". Zheng 'an County is located in the north of Guizhou Province, bordering Nanchuan District of Chongqing in the north, Daozhen County and Wuchuan County in the northeast, Fenggang County and Meitan County in the southeast, Suiyang County in the south and Tongzi County in the northwest.
At the end of 20 18, the resident population was 389,400, and the county's GDP was1066310.9 million yuan. The famous and special products in Zheng 'an County mainly include wild papaya and Zheng 'an white tea, and the scenic spots mainly include Wubentang in Yinzhen and Jiudaoshui National Forest Park.
Natural environment:
Geology: The exposed strata in Zheng 'an County are incomplete, including Cambrian, Ordovician, Silurian, Permian, Triassic and Quaternary sedimentary strata. The structure belongs to the Neocathaysian and Cathaysian structural systems, and the main structural line direction is NNE-NE, mainly folding structure, and the fault structure is not well developed. Cambrian is the earliest stratum exposed in China, and its lithology is mainly white rock, silty mountain and mudstone.
Landform: Zheng 'an County is a karst landform area, with mountains, hills, basins, dams, terraces and other landforms. The eastern part is dominated by Zhongshan platform landform, and the mountains are mostly single stone mountains. The central part is dominated by low mountains, hills and basins, and the western part is a typical Zhongshan Canyon landform. The highest elevation in China is 1838m, the lowest elevation is 448m, and the average elevation is 1200m.