Eryuan (; Bai: ) is a county in the Dali Bai Autonomous Prefecture located in northwestern Yunnan Province, China. It borders Heqing County to the east, Dali City and Yangbi County to the south, Yunlong County to the west and Jianchuan County to the north.
Er'yuan County has 6 towns and 3 townships.
There are 208 ethnic Tibetans in Eryuan County, most of whom reside in Zhengjiazhuang éÂÂå®¶åºÂ, Sanying Town ä¸ÂèÂ¥é (Dali Ethnic Gazetteer 2009:216). In nearby Dali City, they are found mostly in Tibetan New Village èÂÂæÂÂæÂ°æÂÂ, Xiaohuayuan å°Âè±åÂÂ, Dali City 大çÂÂå¸Â.