Illinois is a province of United States.
Algonquin
Alton
Antioch
Arlington Heights
Arrowsmith
Ashley
Aurora
Bloomington
Champaign
Champaign-Urbana
Channahon
Chatham
Chicago
Collinsville
Decatur
Des Plaines
Downers Grove
Elgin
Elk Grove Village
Evanston
Freeport
Galena
Glenview
Gurnee
Hillside
Hoffman Estates
Joliet
La Grange
Lombard
Moline
Naperville
North Aurora
Northbrook
Oak Brook
Oak Park
Oglesby
Ottawa
Palatine
Peoria
Peru
Rock Island
Rockford
Rolling Meadows
Rosemont
Saint Charles
Schaumburg
Schiller Park
Skokie
Springfield
Tinley Park
Urbana
Utica
Westville
Wheeling