Japan Search

How to Use for Genealogy Research

Japan Search is a cross-search service for Japan’s cultural and knowledge information, operated by the National Diet Library. It lets you search across libraries, museums, art museums, public archives, and more in one place—making it efficient for finding historical documents, photographs, maps, and materials related to ancestors.

Service Overview

Officially launched in 2023. Provides cross-search access to digital archives from the NDL, National Archives, National Cultural Heritage Organization, broadcasting archives, university libraries, and more.

Genealogy Use Cases

  • Cross-search for historical materials containing old place names or former domain names
  • Finding pre-war photographs and maps
  • Discovering regional history materials for specific localities

Official Website

Japan Search

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