Bangor International Airport is a joint civil-military public airport on the west side of the city of Bangor, in Penobscot County, Maine, United States. Owned and operated by the City of Bangor, the airport has a single runway measuring 11,440 by 200 ft. Formerly a military installation known as Dow Air Force Base, Bangor International Airport remains home to the 101st Air Refueling Wing of the Maine Air National Guard, although most of the Air Force's aircraft and personnel left in the late 1960s. BGR covers 2,079 acres of land. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2023–2027 categorized it as a non-hub primary commercial service facility.

Bangor is a city in and the county seat of Penobscot County, Maine, United States. The city proper has a population of 31,753, making it the state's third-most populous city, behind Portland (68,408) and Lewiston (37,121). Bangor is known as the “Queen City.”