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About the Museum

A Unique Space to Explore the Cultural Legacy of Japan’s Imperial Family

皇居三の丸尚蔵館長 島谷 弘幸
©SHIN YAMAGISHI

Welcome to The Museum of the Imperial Collections, Sannomaru Shozokan. Our institution was established in November 1993 to care for works gifted to the nation by the Imperial Family in 1989.

The Museum’s missions are to preserve cultural treasures once owned by the Imperial Family for future generations, to continually pursue new research that deepens our understanding of the collection, and to create a space for visitors to explore every facet of the Imperial Family’s relationship with culture.

The Museum closed for renovations in 2019, and in 2023, thirty years after its founding, its management was transferred from the Imperial Household Agency to the National Institutes for Cultural Heritage (NICH). We were thrilled to welcome a remarkable number of visitors during a partial reopening from November 2023 to May 2025. In November 2026, the Museum celebrated its full reopening.

Building on NICH’s expertise in museum management, art preservation, and utilization of cultural properties, we are committed to creating an engaging experience for visitors from all over the world.

We look forward to welcoming you in our newly renovated galleries.

SHIMATANI Hiroyuki
Executive Director
The Museum of the Imperial Collections, Sannomaru Shozokan