Chicagoland refers to the metropolitan area surrounding the city of Chicago, Illinois. It includes parts of Cook County and several neighboring counties, such as DuPage, Lake, and Will. This region is known for its diverse communities, vibrant culture, and significant economic activity, making it one of the largest metropolitan areas in the United States. The term "Chicagoland" encompasses not only the city itself but also its suburbs and exurbs, which feature a mix of urban and suburban living. The area is home to various attractions, including Millennium Park, Navy Pier, and numerous museums, contributing to its reputation as a cultural hub.