Mimasaka, Okayama
city in Okayama Prefecture, Japan
Mimasaka (美作市, Mimasaka-shi) is a city located in Okayama Prefecture, Japan. As of 31 January 2023, the city had an estimated population of 25,946 in 12287 households and a population density of 60 persons per km2. The total area of the city is 429.29 square kilometres (165.75 sq mi).
Geography
Mimasaka is located in northeast Okayama. Most of the city limits are hills and forests. The prefectural border is at the Chugoku Mountains, and there is Mount Ushiro (1344 meters), the highest peak in the prefecture is within the city limits. Parts of the city are considered to be heavy snowfall areas.
Adjoining municipalities
Hyōgo Prefecture
Sayō
Shisō
Okayama Prefecture
Bizen
Misaki
Shōō
Nagi
Nishiawakura
Wake
Tottori Prefecture
Chizu
Climate
Mimasaka has a humid subtropical climate (Köppen climate classification Cfa). The average annual temperature in Mimasaka is 13.3 °C (55.9 °F). The average annual rainfall is 1,620.4 mm (63.80 in) with July as the wettest month.
Begin with the source’s own compact description: “Mimasaka, Okayama” is city in Okayama Prefecture, Japan. The dossier treats that line as a proposition to test through Mimasaka, Okayama and city, not as a finished interpretation.
Why this record matters
The phrase “city in Okayama Prefecture, Japan” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
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 17, 2026. The linked authority identifier is Q861279. VIAF identifies the subject as 252170561. Authority coordinates are 35.009, 134.149. 2 of 5 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2023 and 1344.
A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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 “Mimasaka, Okayama”, its source revision and the description used here.
- Expand the search: follow Mimasaka, Okayama primary sources, Mimasaka, Okayama archive and Mimasaka 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 “Mimasaka, Okayama”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Mimasaka, Okayama” 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.