Nishitama District
district in Tokyo, Japan
Nishitama (西多摩郡, Nishitama-gun; West Tama) is a district located in Tokyo Metropolis, Japan. It comprises the village of Hinohara and the following three towns:
Hinode
Mizuho
Okutama
Historically, the cities of Ōme, Fussa, Hamura, and Akiruno were parts of Nishitama District but these were broken off from the district after they were elevated to city status.
Education
Each of the towns and villages operates separate public elementary and junior high school systems.
Tokyo Metropolitan Government Board of Education operates Mizuho Nougei High School in Mizuho.
The school district also operates the following high schools in nearby Ōme:
Norin High School
Ome Sogo High School
Tama High School
The district operates the following high schools in Fussa:
Fussa High School
Tama Technical High School
The district operates Hamura High School in Hamura.
The district operates the following schools in Akiruno:
Akirudai High School
Itsukaichi High School
District timeline
July 22, 1878: Tama District, which it had long been part of former Musashi Province, was divided into four parts: Higashitama (Eastern Tama), Kitatama (Northern Tama), Minamitama (Southern Tama) and Nishitama (Western Tama). Nishitama District had 1 town and 93 village areas.
April 1, 1889: The new legislation, Nishitama District had 2 towns and 30 villages areas.
April 1, 1893: Nishitama District was transferred from Kanagawa Prefecture to Tokyo Prefecture.
June 1, 1955: The villages of Ohisano and Hirai were merged to create the new village of Hinode.
This brief starts where responsible research should: with the source description of “Nishitama District” as district in Tokyo, Japan. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the places & architecture register because the source frames it as district in Tokyo, Japan. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 27, 2026. The linked authority identifier is Q1048689. The first chronological checks are 1878, 1889, 1893 and 1955.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Nishitama District”, its source revision and the description used here.
- Expand the search: follow Nishitama District primary sources, Nishitama District archive and Nishitama research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Nishitama District”?
- Which earlier names or jurisdictions may reveal additional records?
- Which authority defined the place, boundary or structure at the relevant date?
Search terms from this dossier
This entry incorporates text from “Nishitama District” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.