Australia Square Tower is an office and retail complex in the central business district of Sydney. Its main address is 264 George Street, and the Square is bounded on the northern side by Bond Street, eastern side by Pitt Street and southern side by Curtin Place.

Harry Seidler was an Austrian-born Australian architect who is considered to be one of the leading exponents of Modernism's methodology in Australia and the first architect to fully express the principles of the Bauhaus in Australia.