Gulang County is a county located in central Gansu province, China. It falls under the administration of Wuwei City and serves as a geographical point within the east of the Hexi Corridor.
The region borders Inner Mongolia to the northeast and is situated south of the Tengger Desert. Its neighboring jurisdictions include Jingtai County to the east, Tianzhu County to the south, Liangzhou District to the northwest, and Alxa Left Banner in Inner Mongolia to the northeast. As of 2006, the county had a recorded population of 393,200 people.