Bozeman Yellowstone International Airport is located in Belgrade, Montana, United States, eight miles northwest of Bozeman. Owned by the Gallatin Airport Authority, it has been Montana's busiest airport since 2013.

Belgrade is a city in Gallatin County, Montana, United States. The population was 10,460 at the 2020 census. Belgrade is part of the Bozeman, MT Micropolitan Statistical Area. It is the most populous city in Montana that is not a county seat.