Where is Stargate Command located in the Stargate universe.

Stargate Command (abbreviated to SGC) is a top-secret military organization founded and led by the United States Air Force in conjunction with the International Oversight Advisory, tasked with operating the Stargate device and all matters pertaining to things offworld, such as threats to Earth or missions to procure new technology from extraterrestrial civilizations. It is based inside the Cheyenne Mountain Complex in Colorado, code named "Area 52". (SG1: "Politics")

The Stargate Command facility is located on planet Earth, in Colorado, United States, in the Cheyenne Mountain complex