Chicago is the most populous city in Illinois, as well as the third most populous city in the United States.

Chicago is the principal city of the The metropolitan area, at nearly 10 million people, is the third-largest in the United States.

Chicago is an international hub for finance, culture, commerce, industry, technology, telecommunications, and transportation.

The Chicago area has one of the highest gross domestic products in the world, generating $680 billion in 2017.

In addition, the city has one of the world’s most diversified and balanced economies.

Chicago’s culture includes the visual arts, literature, film, theater, comedy (especially improvisational comedy), food, and music, particularly jazz, blues, soul, hip-hop, gospel,and electronic dance music including house music.