Maguan County (, ) is located in Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan province, China, bordering Vietnam's LÃÂ o Cai and Ha Giang provinces to the south.
Maguan County is located in the southwest of Wenshan Prefecture, in southeastern Yunnan. It borders Malipo County to the east, Hekou County and Pingbian County to the west, Wenshan City to the north and Xichou County to the northeast. It also borders Vietnam: XÃÂn Mần District and Hoàng Su Phì District of HàGiang Province to the southeast and Si Ma Cai District and Mðá»Âng Khðáng District of Lào Cai Province to the southwest.
In the present, Maguan County has 9 towns and 4 townships.
The Maguan County Gazetteer () (1996) lists the following ethnic subgroups.