Chicago is the largest city in the state of Illinois. Its metropolitan area, commonly named "Chicagoland", is the 27th most populous metropolitan area in the world, home to an estimated 9.7 million people spread across the U.S. states of Illinois, Indiana and Wisconsin. Chicago is the county seat of Cook County, the second largest county in the United States by population. The city is renowned for its fascinating museums - including the Art Institute and its expansive collections, including noted Impressionist works; it is a city with an appetite for food, of course, but also for design, history, culture, finance, commerce, industry, technology, telecommunications and transportation.
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