Mentougou District is a district of the city of Beijing. It is at the western part of the city. Spanning 1,321 square kilometres (510 sq mi), with 392,606 inhabitants, it is subdivided into 4 subdistricts and 9 towns. It borders the Beijing districts of Changping to the northeast, Haidian and Shijingshan to the east, Fengtai to the southeast, and Fangshan to the south, as well as Hebei province to the west and northwest.