Brisbane Square is a high-rise building in Brisbane, Queensland, Australia. The building has 38 floors and rises to 151 metres. The building's main use is for office space, the lower floors leased to retailers, with a 350-space car park below the building. Significant tenants include the Brisbane City Council (floors 1-23) and Suncorp (floors 24-37). Brisbane Square is situated on the block bounded by William Street, George Street, Queen Street and Adelaide Street. The building faces the Conrad Treasury Casino on Queen Street and formerly, the Law Courts Complex on Adelaide Street.