Chicago is the seat of Cook County, the second-most populous county in the U.S. Chicago was incorporated as a city in 1837 near a portage between the Great Lakes and the Mississippi River …

Welcome to the official City of Chicago Website. The source for information about City services, departments, programs and initiatives, and officials for Chicago residents, businesses, and visitors.

Jul 28, 2025 · Must-visit attractions in Chicago include the Navy Pier, Wrigley Field, Second City, Skydeck Chicago, and of course, "The Bean." Find more fun things to do in Chicago.

Explore iconic attractions, hidden gems, and travel guides. Plan the perfect Chicago trip!

Nov 25, 2025 · Discover top Chicago events, concerts, festivals, shows and more. Find tickets for the best things to do in Chicago on the official Ticketmaster site.

2 days ago · Chicago is a city, the seat of Cook county, in northeastern Illinois, U.S. With a population of nearly three million, Chicago is the state’s largest and the country’s third most populous city. It is the …

Things to Do in Chicago, Illinois: See Tripadvisor's 1,152,656 traveler reviews and photos of Chicago tourist attractions. Find what to do today, this weekend, or in January.

Affiliate of the Associated Visitors Bureaus.

May 30, 2022 · Chicago is the largest city in population in Illinois and the third-largest in the US. This makes it a diverse place that can offer a peak of everything. It is known for its bold architecture, …

Dec 9, 2025 · The Y symbol, also called the Municipal Device, represents the Chicago River and its two branches. The Y symbol is meant to be used unofficially by citizens, businesses and other …