Chicagoland
geographical name
Chi·ca·go·land
| \ shə-ˈkä-(ˌ)gō-ˌland
, -ˈkȯ-, -gə-\
, -ˈkȯ-, -gə-\
Definition of Chicagoland
informal
the Chicago metropolitan area
—a loosely defined area that at its largest extent includes all of the part of Illinois along Lake Michigan and adjacent parts of Indiana and Wisconsin