Zhenba County, subordinate to Hanzhong City of Shanxi Province, is located in the southeast of Hanzhong City, adjacent to Ziyang County of Ankang City in the east, Wanyuan City of Sichuan Province in the south, Tongjiang County of Sichuan Province in the southwest, Xixiang County in the north, and Hanyin County of Ankang City in the northeast. It covers an area of 3437 square kilometers. As of October 2022, Zhenba County has jurisdiction over 1 subdistrict and 19 towns. In 2021, the resident population of Zhenba County was 207,300.

Xia and Shang are Liangzhou regions. In the Western Zhou Dynasty, it was Yongzhou region. The Western Jin Dynasty Taikang two years (281 years), Liangzhou Hanzhong County Xixiang County. In the seventh year of Jiaqing of Qing Dynasty (1802), the 24th land in the south of Xixiang County was analyzed and the Dingyuan Hall, which belonged to Hanzhong Prefecture of Shanxi Province, was set up with the meaning of "Han Dingyuan Hou Feng Yi". In the second year of the Republic of China (1913), Dingyuan Hall was changed into Dingyuan County, directly under Shanxi Province. Three years of the Republic of China (1914) February, renamed Zhenba County, Shanxi Province Hanzhong Road. February 21, 1996, Hanzhong City, Shanxi Province. Zhenba is named for "being located in the Bashan Mountains", known as the "South Gate of Shanxi", and also known as "the hometown of the Red Army, the hometown of folk songs, and the hometown of the Miao people". On February 26, 1982, Zhenba County was designated as the old revolutionary base of Shanxi Province by Shanxi Provincial People's Government. On January 16, 2015, Zhenba County was named "the Hometown of Chinese Folk Culture and art" by the Ministry of Culture.

In 2021, the GDP of Zhenba County reached 9.469 billion yuan, with per capita disposable income of 20,522 yuan.