Chicagoland

Origin

Chicago + land. Credit for placing the term in common use is generally give to Colonel Robert R. McCormck, editor and publisher of the Chicago_Tribune, first using it on page 1 of the July 27, 1926 issue, although it may have been coined much earlier.

Full definition of Chicagoland

Proper noun

1. The metropolitan area of Chicago, including parts of Illinois, Indiana, and Wisconsin.