Six Flags Great America is a 273-acre (110 ha) amusement park in Gurnee, Illinois, United States. Owned by Six Flags, it is located between Chicago and Milwaukee, near Interstate 94. With 3 million visitors in 2023, it ranks among the top 20 most visited amusement parks in North America. The park features more than 40 attractions, including 16 roller coasters, the second-highest of any amusement park in the Midwestern region of the United States.