Question: is dulles airport in dc or virginia?
Answer: Washington Dulles International Airport (IATA: IAD, ICAO: KIAD, FAA LID: IAD), typically referred to as Dulles International Airport, Dulles Airport, Washington Dulles or simply Dulles (/ˈdʌlɪs/ DUL-iss), is an international airport in the Eastern United States, located in Loudoun County and Fairfax County in Virginia, ...