The campaign was unveiled at the National Museum of Art in the Pilsen Community.
The city hosts hundreds of events each summer, and many are free.
"There will be the well-established farmers markets, art fairs, gallery walks and neighborhood tours. You can experience the world without stepping outside the city," Paul Volpe, the Mayor's Chief of Staff, said.
The city estimates tourism creates 132,000 jobs and brings in more than $11 billion each year.