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About Tokyo International Forum

About Tokyo International Forum

The Tokyo International Forum, which is located in Tokyo's central Marunouchi district, is a convention and arts center equipped with a range of facilities including 8 small-to-large-size halls, 34 conference rooms, a symbolic glass atrium, a refreshing and plant-filled ground-level plaza, a variety of shops and restaurants, and an art museum. The Forum is visited by more than 20 million people each year, and it serves as a center for promoting and communicating comprehensive culture and information.

The Forum hosts a diverse program of events throughout the year at its distinctive and varied halls and conference rooms, including international conferences, ceremonies, academic meetings, exhibitions, concerts, musicals, and fashion shows. People of all ages from various backgrounds gather here to interact and enjoy the vast array of culture and information on offer.

The Tokyo International Forum is also highly rated for its architecture, and it's known as one of Tokyo's leading landmarks. Boasting many attractive features in its construction and facilities, the Forum provides plenty of aesthetically-pleasing points and enjoyable attractions and ways to pass time for all visitors, from event participants to those just dropping by to have a look.

  • Outline of Facility

    Name Tokyo International Forum
    Address 5-1 Marunouchi 3-chone,Chiyoda-ku,Tokyo(Tokyo International Forum 11F)
    Site area approximately 27,000㎡
    Total floor area approximately 145,000㎡
    Opening date January 10,1997
    Owner Tokyo Metropolitan Government
    Tokyo International Forum Co.,Ltd.
    Architect Rafael Viñoly (U.S.A.), winner of the international design competition
    Halls, etc.
    • Hall A
      Raked auditorium / seating capacity: 5,012 seats
    • Hall B7
      Flat floor / area: 1,400 ㎡ (dividable into two sections 670 ㎡ each)
    • Hall B5
      Flat floor / area: 600 ㎡ (dividable into two sections 280 ㎡ and 300 ㎡ )
    • Hall C
      Raked auditorium / seating capacity: 1,502 seats
    • Hall D7
      Flat floor / area: 340 ㎡
    • Hall D5
      Flat floor / area: 285 ㎡
    • Hall D1
      Flat floor / area: 137 ㎡
    • Hall E
      Area: 5,000 ㎡ (dividable into two sections 3,000 ㎡ and 2,000 ㎡)
    • Conference rooms
      D Block:Three conference rooms on floors 4 and 5,
      Glass Building:31 conference rooms on floors 4 through 7
      (10 each on floors 4 through 6, one on floor 7)
    • Other
      Lobby Gallery:800 ㎡, Lounge:224 ㎡
    Glass Building
    • Scale
      Area: approximately 4,000 ㎡
      (length: about 210m, maximum width: about 30m, height: about 60m)
    • Pieces of glass
      about 3,600 (1,800 on the west side, 1,000 on the roof, 800 on the east side)
    • Dimensions of the glass
      2.6m x 2.5m on the walls, 1.7m x 1.9m on the roof
    • Scale
      Area: approximately 9,700 ㎡
    • Plants, etc.
      Plants: 42 Japanese zelkova trees, 15 katsura trees, 48 two-seater benches
    • Other
      Rental spaces : A / about 880 ㎡, B / about 670 ㎡, C / about 380 ㎡,
      D / about 160 ㎡
  • Company Profile

    Name of Company Tokyo International Forum Co., Ltd.
    Address 5-1 Marunouchi 3-chome, Chiyoda-ku, Tokyo (Tokyo International Forum 11F)
    President & CEO Kiyofumi Kamijo
    Capital 490 million yen
    Issued shares: 9,800 ordinary shares
    Capital ratio Tokyo Metropolitan Government 51%,
    Private investment 49%
    Shareholders Tokyo Metropolitan Government;
    East Japan Railway Company
    Mitsubishi Estate Co., Ltd.;
    Suntory Holdings Limited;
    Dentsu Inc.;
    Tokyo Electric Power Company Holdings, Inc.;
    Nippon Telegraph and Telephone East Corp.;
    Tokyo Gas Co., Ltd.
    Number of
    Main business
    1. Management of halls, conference rooms and other facilities of Tokyo International Forum
    2. Management of the service facilities of Tokyo International Forum
    3. Planning, design, execution and contracting of events for promoting international exchanges
    4. Other business services related to the above

    Annual Report



  • History of

    The Fundamental Plan for Constructing the Tokyo City Hall* presented publicly
    The Council of Tokyo Metropolitan Government for Constructing Tokyo International Forum started
    The outline of the international design competition,presented publicly
    Results of the competition announced
    An architecture contract concluded with Mr.Rafael Viñoly
    The basic design completed
    May 1991
    The detailed design completed
    Study of cultural assets lying under the ground for Tokyo International Forum started
    Construction started
    May 1996
    Construction completed
    Tokyo International Forum opened
    The commercial use of the Forum started
    On the Fundamental Plan for Constructing the Tokyo City Hall
    Drafters of the Fundamental Plan expected the development of Tokyo into a multi-center city, through the activation of its districts harmonized with their respective characteristics. They also contemplated the creation of the new face of Tokyo as an international city, based on its history and tradition. In view of these points, the Plan envisaged the construction of new offices of the Tokyo Metropolitan Government in the Shinjuku district, and present Tokyo International Forum in the Marunouchi district.
  • Outline of the Design

    In 1987, the outline of the international design competition, to be held as part of the Forum plan, was publicly presented. Results of the competition were announced in 1989. This design competition was the first to be held in Japan under the aegis of the International Union of Architects (UIA). Designers from 50 countries submitted 395 works.


    Rafael Viñoly

    A U.S. architect, Mr. Viñoly was born in Uruguay in 1944.
    His distinguished works include Bank of the City of Buenos Aires.

  • Measures for
    the Environment

    Basic Principle

    Tokyo International Forum, a leading convention and art center which aims to offer the best in quality and services, positions action on environmental issues as one of its foremost management priorities.
    We actively engage in activities to reduce environmental impact and help conserve the environment, and try our best to make sustainable society a reality.

    Action Policies

    To lessen environmental impact, Tokyo International Forum follows these policies:

    1. Observing the relevant laws and statutes related to environmental preservation.
    2. Keeping environmental considerations in mind regarding facility operation, maintenance, overhaul and improvement; reducing resource and energy use; and taking active measures to mitigate the heat island effect.
    3. Doing our best to reduce waste and actively use “green” products and services.
    4. Keeping the public informed and promoting closer communication about our environment-related activities.
    5. Putting in place a framework for promoting environmental measures and making employees more environment-conscious through environmental education.