Piedmont Triad International Airport is an airport located in unincorporated Guilford County, North Carolina, west of Greensboro, serving the Piedmont Triad region of Greensboro, High Point and Winston-Salem as well as the entire Piedmont Triad region in North Carolina, United States. The airport, located just off Bryan Boulevard, sits on a 3,770 acre campus and has three runways. It is the third busiest airport in North Carolina, averaging 280 takeoffs and landings each day. PTI is owned and operated by the Piedmont Triad Airport Authority.

Guilford County is a county located in the U.S. state of North Carolina. As of the 2020 census, the population was 541,299, making it the third-most populous county in North Carolina. The county seat and largest community is Greensboro. Since 1938, an additional county court has been located in High Point. The county was formed in 1771. Guilford County is included in the Greensboro-High Point, NC Metropolitan Statistical Area, which is also included in the Greensboro–Winston-Salem–High Point, NC Combined Statistical Area.