Historic designations in the City of Pittsburgh are awarded following nominations for districts and individual structures that are reviewed and recommended to Pittsburgh City Council, which makes the final decision, by the city's Historic Review Commission and the City Planning Commission. This list is not to be confused with the list of landmarks designated by the Pittsburgh History and Landmarks Foundation. City Historic Designation establishes a regulatory process for the review of all changes and alterations by the Historic Review Commission to the publicly viewable exterior and appearance of all buildings that are designated, either individually or as part of a district. As of 2011, there were 12 designated districts in the city, two historic objects, one historic site, and 87 indivi