Junzhuang Town is a town located in the northeastern part of the Mentougou District in Beijing, China. It occupies a geographical position south of Sujiatuo and Wenquan Towns, west of Xiangshan Subdistrict, north of Wulituo Subdistrict and Longquan Town, and east of Miaofengshan Town.
As of the year 2020, the population of Junzhuang was recorded at 16,128 residents.