Qianxinan Buyi and Miao Autonomous Prefecture, abbreviated as "Qianxinan Prefecture", with its capital in Xingyi City, is one of the nine prefecture level administrative regions in Guizhou, located at the junction of Yunnan, Guangxi, and Guizhou provinces (regions). Southwest of Guizhou Province. The upper reaches of the Pearl River. Southeast end of the Yunnan-Guizhou Plateau. 104 ° 35 ′ -106 ° 32 ′ E longitude and 24 ° 38 ′ -26 ° 11 ′ N latitude. The total area of the state is 16804 square kilometers. There are 35 ethnic groups distributed within the territory, including Buyi, Miao, Hui, and Han. As of the end of 2023, the permanent population of Qiannan Buyi and Miao Autonomous Prefecture is 2.9864 million.
On September 21, 1981, Xingyi Prefecture was abolished and Qiannan Buyi and Miao Autonomous Prefecture was established. On May 1, 1982, the People's Government of Qiannan Buyi and Miao Autonomous Prefecture was officially established.