Federation Square is a mixed-use development in the inner city of Melbourne, covering an area of 3.2 ha and centred on three major public spaces – St. Paul's Court, The Square, and The Atrium. Built on a concrete deck above busy railway lines, it is located at the intersection of Flinders Street and Swanston Street/St Kilda Road in the city's Central Business District, adjacent to Flinders Street railway station.