Thamrin Nine is a mixed-use development complex in Jakarta, Indonesia. It covers an area of approximately 570,000 square metres with office, retail, residential, hotels, sports and entertainment facilities. Its centrepiece, the Autograph Tower, is the tallest building in the Southern Hemisphere. The complex was envisioned to include three supertall buildings, with a retail podium that connects them, as well as a low-density apartment complex.