On October 5, 2026, the Tokyo company NOTA Inc. announced NOT A MUSEUM, a new cultural complex set to open in summer 2027. It will take over the site of the former Imperial Hotel Plaza Tokyo (帝国ホテルプラザ 東京), which closed in 2024.
The space is planned around art, music, and more. Here is what has been officially confirmed so far, and what is still unknown.
A roughly 6,600-square-meter (about 2,000 tsubo), four-floor cultural space is set to open in summer 2027 at the former Imperial Hotel Plaza site, running for about four years until March 2031.
About NOT A MUSEUM
NOT A MUSEUM is a cultural complex built around five fields: art, music, books, cinema, and fashion. The official site frames it as a place where many kinds of expression mix together—a space for experiencing culture as it happens now.
It will span about 6,600 square meters (around 2,000 tsubo), using the first through fourth floors of the building (excluding some ground-floor shops).
True to its name, it is meant to be more than a place for viewing exhibitions.
The Former Imperial Hotel Plaza Tokyo
The address is 1-1-1 Uchisaiwaicho, Chiyoda-ku, Tokyo. The site is part of the Imperial Hotel Tower (帝国ホテルタワー), where the Imperial Hotel Plaza Tokyo once stood.
The Imperial Hotel Plaza Tokyo closed on March 31, 2024, after about 40 years in business. The building is slated to be redeveloped in the future, and NOT A MUSEUM will make use of the space in the years before that work begins.
The nearest station and detailed access have not been officially announced yet. Expect those details closer to the opening.
Opening and Operating Period
The opening is planned for summer 2027. The exact month has not yet been announced.
The complex will run for about four years, until March 2031, as a limited-run venue.
Because it has not opened yet, no preview events have been announced, and there is nothing to see on site for now.
The Team Behind the Project
The project is backed by NOTA Inc., the company known for NOT A HOTEL. NOT A CITY Inc., one of the companies in the NOTA group, leads planning, production, and operation together with SKWAT.
The space itself is designed by DAIKEI MILLS and NOT A HOTEL ARCHITECTS.
Unconfirmed Details and How to Follow Updates
As of the October 2026 announcement, the following details are still not public:
- The specific exhibitions, shops, and events
- Whether tickets are required, and how entry will work
- The nearest station and detailed access
- The exact opening month
These should be announced in stages. For updates, check the official NOT A MUSEUM site and the official Instagram (@nota_museum) and X (@nota_museum).
We will update this article as new details are announced. For more on Tokyo's art and design scene, see our guide to Design Festa.
This article was translated from the original Japanese with AI assistance and reviewed by our editorial team. The Japanese version is authoritative.