The Historic Michigan Boulevard District is a historic district in the Loop community area of Chicago in Cook County, Illinois, United States encompassing Michigan Avenue between 11th (1100 south in the street numbering system) or Roosevelt Road (1200 south), depending on the source, and Randolph Streets (150 north) and named after the nearby Great Lake. It was designated a Chicago Landmark on February 27, 2002. The district includes numerous significant buildings on Michigan Avenue facing Grant Park. In addition, this section of Michigan Avenue includes the point recognized as the end of U.S. Route 66. This district is one of the world's most well known one-sided streets rivalling Fifth Avenue in New York City and Edinburgh's Princes Street.