Okazaki, Aichi
city in Aichi Prefecture, Japan

Okazaki (岡崎市, Okazaki-shi; Japanese pronunciation: [o.kaꜜ.(d)za.kʲi, -ka.(d)za.kʲi̥ꜜ.ɕi, -(d)zaꜜ.kʲi̥.ɕi], locally [o.ka.(d)za.kʲi]) is a city located in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 386,999 in 164,087 households, and a population density of 999 persons per km2. The total area of the city was 387.20 km2 (149.50 sq mi).
Geography
Okazaki is in the coastal plains of southeastern Aichi Prefecture. The ground rises to undulating hills in the former Nukata area to the northeast. About 60 percent of the city area is forested and remains sparsely populated.
Okazaki is about 250 miles (400 km) from Tokyo, to the southwest.
Climate
The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Okazaki is 15.5 °C (59.9 °F). The average annual rainfall is 1,507.6 mm (59.35 in) with September as the wettest month.
This brief starts where responsible research should: with the source description of “Okazaki, Aichi” as city in Aichi Prefecture, 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 city in Aichi Prefecture, 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 17, 2026. The linked authority identifier is Q242783. VIAF identifies the subject as 251728489. The Library of Congress control number is n82058879. Authority coordinates are 34.955, 137.173. 4 of 6 selected statements include explicit references; 1 carry qualifiers and 1 use preferred rank. The first chronological checks are 2019.
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 “Okazaki, Aichi”, its source revision and the description used here.
- Expand the search: follow Okazaki, Aichi primary sources, Okazaki, Aichi archive and Okazaki 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 “Okazaki, Aichi”?
- 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 “Okazaki, Aichi” 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.