city on the United States–Canada border, and the seat of government of Wayne County.
Young International Airportĭetroit Department of Transportation, Detroit People Mover, QLineĭetroit ( / d ɪ ˈ t r ɔɪ t/ dih- TROYT, locally also / ˈ d iː t r ɔɪ t/) is the most populous city in the U.S.