The total area of Sanjiang Yi Autonomous County is 2,454 square kilometers, Donglian Longsheng Autonomous County, Rong'an County, Rongshui County, Guizhou Province Congjiang County, Hunan Province Tongdao County, Guizhou Province Liping County, and Rong'an County and Rongshui County to the south. Guyi Town is 203 kilometers from Liuzhou City and 167 kilometers from Guilin City.