Opening. Toranomon Hills Forum officially opened its doors on July 5th, following the June 11th debut of Andaz Tokyo, a new hotel by the Hyatt Group occupying the top six floors of the 52-story Toranomon Hills. The Toranomon Hills Forum includes three open-plan halls and four spacious meeting rooms. The entire 2,180 square meters can be combined to host a variety of international conferences accommodating up to 2,000 people. The Main Hall offers 590 square meters of space with a high ceiling of 7.2 meters and a massive 360-inch screen. Hall A is designed with windows across the entire 50-meter length, creating an impressive wall of glass for visitors to view the beautiful historic surrounding area.