Which city in Guizhou does dushan county belong to?

What you want to ask is which autonomous prefecture dushan county belongs to? It belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province. Baidu map shows that dushan county belongs to Qiannan Buyi and Miao Autonomous Prefecture, located at the southernmost tip of Guizhou, bordering Nandan County, Guangxi. Dushan county, known as the "South Gate of Guizhou" and "Southwest Gateway", is an important town in southern Guizhou, and the western region connects the central and eastern regions.