Expansion of Event Space to a Total Area of More than 12,917 ft2 (1,200 m2) and Introduction of a Large-Scale Projection System Measuring 144 ft (44 m) in Total Length
Renewal of BASE Q as Tokyo Midtown Hibiya Hall
Opening on September 1, 2026, with Reservations Accepted Starting July 1
June 23, 2026
Mitsui Fudosan Co., Ltd.
Key Points of this Press Release
- BASE Q within Tokyo Midtown Hibiya will reopen as Tokyo Midtown Hibiya Hall on Tuesday, September 1, 2026, following renewal. Reservations will be accepted starting Wednesday, July 1.
- Event space will expand to a total area of more than 12,917 ft2 (1,200 m2) through the addition of the new HALL 3 to the existing HALL 1 and HALL 2, enabling the venue to accommodate a diverse range of events.
- A large-scale projection system measuring 44 m in total length and sound system will be introduced, creating immersive event experiences that make use of the entire space.
- Ancillary facilities, including a kitchen space, private rooms for VIP guests, and an outdoor terrace, will be established to help enhance the value of the user experience.
Tokyo, Japan, June 23, 2026 - Mitsui Fudosan Co., Ltd., a leading global real estate company headquartered in Tokyo, announced today that it has renewed BASE Q within Tokyo Midtown Hibiya, located in Yurakucho, Chiyoda-ku, and will reopen it as Tokyo Midtown Hibiya Hall on Tuesday, September 1, 2026. In addition, reservations will be accepted starting Wednesday, July 1, 2026.
As part of this renewal, the new HALL 3 will be added to the existing HALL 1 and HALL 2, expanding the event space to a total area of more than 12,917 ft2 (1,200 m2). The venue will evolve into a space capable of accommodating a diverse range of events, including exhibitions, business conferences, product launches, awards ceremonies, and receptions. Moreover, a large-scale projection system measuring 144 ft (44 m) in total length and an immersive sound system will be introduced, creating an immersive visual experience that makes use of the entire space. Furthermore, Tokyo Midtown Hibiya Hall will seek to enhance the value of the experience for invited guests and speakers through the addition of a private room area intended for VIP guests and business meetings, as well as the use of a kitchen space equipped with professional kitchen facilities and an outdoor terrace space.
In addition, as inaugural events following the renewal, Tokyo Midtown Hibiya Hall is scheduled to host HUMAN AND NATURE, an exhibition by contemporary artist Yuichi Hirako, and BITEKI MATSURI in TOKYO MIDTOWN HIBIYA, a collaboration with BITEKI, a beauty magazine marking its 25th anniversary. Through initiatives to showcase the fields of culture, arts, and entertainment, visitors will be able to experience the appeal of the new facility and the possibilities for its use.
Through this renewal, Tokyo Midtown Hibiya Hall will evolve into a new site for showcasing events and will strengthen its functions as a venue for creating value unique to Hibiya, where culture and the arts, entertainment, and business intersect.
Rendering of HALL 1, HALL 2, and HALL 3
1. Expanded Event Space to More than 12,917 ft2 (1,200 m2) through the Addition of HALL 3 to the Existing HALL 1 and HALL 2. Evolving into a Space that Expands the Range of Planning and Design Options for Event Organizers
As part of the renewal, HALL 3 will be newly created, expanding the event space to a total area of more than 12,917 ft2 (1,200 m2). The hall area will be up to approximately 8,288 ft2 (770 m2), andwith up to 760 seats in a theater-style layout. The hall will evolve into a space that can be flexibly configured according to the purpose and scale of the event, from exhibitions and business conferences to product launches, award ceremonies, and receptions. Through the separate and coordinated use of HALL 1, HALL 2, and HALL 3, the facility can flexibly accommodate event planning and design that combines multiple programs, such as seminars and exhibitions, as well as presentations and networking receptions.
Rendering of an exhibition
2. Creating an Immersive Visual Experience that Envelops the Entire Space with a Large-Scale Projection System Measuring 144 ft (44 m) in Total Length
A large-scale projection system capable of projecting images across the full surface of two walls will be newly introduced as part of the renewal. Through a visual experience using a large wall surface measuring 144 ft (44 m) wide by 13.8 ft (4.2 m) high, together with an immersive sound system, the venue will enable immersive event experiences that make integrated use of the entire space For a diverse range of corporate events, it will help express brand identities and narratives in a compelling way, enhancing the visitor experience. In addition to conventional information-oriented events, the venue will enhance its ability to accommodate immersive events that allow visitors to experience content through the entire space.
Rendering of the visual experience
3. Enhancing the Value of Experience by Providing Ancillary Facilities Such as Private Rooms for VIP Guests, a Kitchen Space, and an Outdoor Terrace
A new private room area for small groups will be established, which can be used to accommodate VIP guests, hold business meetings, and serve as speaker green rooms. Event organizers will be able to carefully plan communication according to their purpose, including media engagements and one-on-one presentations.
In addition, the existing kitchen space and terrace can also be used as event spaces. This will encourage interaction among participants and create memorable experiences, including programs offering hands-on experiences involving food and receptions for invited guests that make integrated use of indoor and outdoor spaces.
Kitchen space
* The kitchen space is scheduled to be partially renewed in the future.
Terrace space
Overview of Inaugural Events
(1) HUMAN AND NATURE
This exhibition by Yuichi Hirako, a contemporary artist highly acclaimed in Japan and abroad, explores the theme of the ambiguities and questions that arise from the co-existence and interdependent relationship between nature and humans. Activating the indoor and outdoor spaces of Tokyo Midtown Hibiya, the exhibition will display paintings, sculptures and large-scale installations, centered on new works created especially for the exhibition. Programs such as talk events and workshops will also be held during the exhibition period. The exhibition is designed to allow visitors to fully appreciate Hirako’s unique creative expression as it appears in everyday urban spaces.
| Event dates | (exhibition): Planned for Saturday, September 5, 2026 to Sunday, October 18, 2026 (Outdoor installation): Planned for Friday, September 4, 2026 to Saturday, September 26, 2026 |
|---|---|
| Content | Exhibition, outdoor installations, workshops, etc. |
| Organizer | Mitsui Fudosan Co., Ltd. |
| Planning and supervision | Yuji Akimoto, Yuichi Hirako Studio |
| Yuichi Hirako Official Instagram | https://www.instagram.com/yuichihirako/ |
Installation view at “Setouchi Triennale Collaborative Project: Yuichi Hirako Exhibition
ORIGIN,” Okayama Prefectural Museum of Art, 2025
(2) BITEKI MATSURI in TOKYO MIDTOWN HIBIYA
BITEKI, a beauty magazine marking its 25th anniversary and ranked No.1 in circulation in the beauty and cosmetics magazine category, and Tokyo Midtown Hibiya will hold their first collaboration event. Visitors can enjoy a diverse range of beauty content, including displays, hands-on experiences, talk programs, and other attractions as they make their way through the Tokyo Midtown Hibiya building.
| Event dates | Thursday, November 19, 2026 to Monday, November 23, 2026 (national holiday) |
|---|---|
| Content | Opening-stage event featuring winners of the BITEKI Best Beauty Woman and Best Beauty Man awards, best cosmetics displays, and collaboration menu items offered with restaurants in the building Brand experience booths, talk shows featuring beauty experts and hair and make-up artists, etc. |
| Organizer | BITEKI (SHOGAKUKAN Inc.) |
| Co-organizer | Mitsui Fudosan Co., Ltd. |
4. Facility Overview
| Facility name | Tokyo Midtown Hibiya Hall |
|---|---|
| Location | 6F, Tokyo Midtown Hibiya, 1-1-2 Yurakucho, Chiyoda-ku, Tokyo |
| Reopening date | September 1, 2026 |
| Tokyo Midtown Hibiya Hall floor areas and seating capacities | HALL 1: 3,223 ft2 (299.5 m2), 360 seats HALL 2: 2,032 ft2 (188.8 m2), 180 seats HALL 3: 2,993 ft2 (278.1 m2), 180 seats Total for HALLS 1-3: 8,249 ft2 (766.4 m2), 760 seats Total event space area, including foyer, etc.: 13,584 ft2 (1,262 m2) * The figures shown above are planned values and may change in the future. |
Inquiries for reservations Tokyo Midtown Hibiya Hall & Conference Contact Desk
* Reservations will reopen on July 1, 2026.
About Tokyo Midtown Hibiya
Tokyo Midtown Hibiya is a mixed-use facility that brings together offices, shops, restaurants, a cinema complex, and other facilities. Leveraging the refined culture of the Hibiya area, known as a neighborhood of cinema and theater, as well as its lush natural environment adjacent to Hibiya Park, Tokyo Midtown Hibiya aims to offer new future-oriented experiences and new value that stimulates visitors’ sensibilities.
https://www.hibiya.tokyo-midtown.com.e.adj.hp.transer.com/en/about/
■ Sustainability in the Mitsui Fudosan Group
Based on the meaning of its “& mark,” “to generate new value with society through cooperation, coexistence and co-creation, we forge ahead, innovating,” the Mitsui Fudosan Group views the “creation of social value” and the “creation of economic value” as two wheels of a cart. Accordingly, we believe that the creation of social value leads to the creation of economic value, and that this economic value then creates even greater social value.
Moreover, we identified six Group Materiality priority issues when formulating our new management philosophy in April 2024. These Group Materiality priority issues are (1) Contribute to industrial competitiveness, (2) Coexist with the environment, (3) Health and Vitality, (4) Safety and security, (5) Diversity and inclusion, and (6) Compliance and governance. The Mitsui Fudosan Group will work to address each of the materialities through its core business activities and contribute to the promotion of sustainability.
(References)
・ Group Management Philosophy and Long-Term Vision
https://www.mitsuifudosan.co.jp/english/corporate/innovation2030/
・ Group Materiality
https://www.mitsuifudosan.co.jp/english/esg_csr/approach/materiality/