Loop Retail Historic District is a shopping district within the Chicago Loop community area in Cook County, Illinois, United States. It is bounded by Lake Street to the north, Ida B. Wells Drive to the south, State Street to the west and Wabash Avenue to the east. The district has the highest density of National Historic Landmark, National Register of Historic Places and Chicago Landmark designated buildings in Chicago. It hosts several historic buildings including former department store flagship locations Marshall Field and Company Building (now Macy's at State Street), and the Sullivan Center (formerly Carson, Pirie, Scott and Company Building). It was added to the National Register of Historic Places on November 27, 1998. It includes 74 contributing buildings and structures, including