 Wrigley Square is a public square located in the northwest section of Millennium Park in the Historic Michigan Boulevard District of the Loop area of Chicago in Cook County , Illinois , United States . The square is located at the southeast corner of the intersection of East Randolph Street and North Michigan Avenue . It contains the Millennium Monument , a nearly full @-@ sized replica of the semicircle of paired Roman Doric @-@ style columns ( called a peristyle ) that originally sat in this area of Grant Park , near Michigan Avenue and Randolph Street , between 1917 and 1953 . The square also contains a large lawn and a public fountain . 
