The Chicago metropolitan area, often referred to as the Chicagoland area, encompasses the city of Chicago and its surrounding suburbs. It is located in the northeastern part of Illinois and extends into parts of Indiana and Wisconsin. This region is known for its diverse population, vibrant culture, and significant economic activity, making it one of the largest metropolitan areas in the United States. The area is characterized by a mix of urban and suburban environments, with numerous parks, lakes, and recreational spaces. Major attractions include Millennium Park, the Art Institute of Chicago, and the Chicago Riverwalk. The metropolitan area is also a hub for transportation, featuring major highways, railroads, and the O'Hare International Airport.