the intersection of Hedong Road and Nanming Road in sandu county, Qiannan City. The most distinctive food city in Sandu is called Sandu Water Town Food City, which is located at the intersection of Hedong Road and Nanming Road in sandu county, Qiannan City. Sandu county, which belongs to Qiannan Buyi and Miao Autonomous Prefecture of Guizhou Province, is located in the southeast of Qiannan Buyi and Miao Autonomous Prefecture, and is the only Shui Autonomous County in China.