Washington Park is a well-defined community area (and neighborhood) on the South Side of Chicago in Cook County, Illinois, USA. It includes the 372 acre (1.5 km²) park named Washington Park, stretching east-west from Cottage Grove Avenue to the Dan Ryan Expressway, and north-south from 63rd Street to 51st. The park is the proposed site of the Olympic Stadium and the Olympic Aquatics Center in Chicago's bid to host the 2016 Summer Olympics. Including the park, the community area hosts two listings on the National Register of Historic Places. It includes and is surrounded by smaller neighborhoods that have gone though notable and often turbulent racial transitions.