Addison is one of nine townships located in DuPage County. It includes all or part of the following communities: Addison, Bensenville, Chicago (a portion of O'Hare airport), Elmhurst (North of North Ave.), Elk Grove Village (South of Devon Ave.), Itasca, Lombard (North of North Ave, East of Rt. 53), Villa Park (North of North Ave.), and Wood Dale.