Jiangcheng Hani and Yi Autonomous County is an autonomous county under the jurisdiction of Pu'er city, in southern Yunnan. Located in the southern part of Yunnan province, Jiangcheng county is bordered by Vietnam and Laos. The border line is 183 kilometers long.
It is the only county in Yunnan province that borders Laos and Vietnam. It has jurisdiction over 5 towns, 2 townships with total area of 3,544 square kilometers. By the end of 2016, there were 25 ethnic group with total pupolation of 113,781 in Jiangcheng county.