Yamatokōriyama
city in Nara Prefecture, Japan
Yamatokōriyama (大和郡山市, Yamatokōriyama-shi) is a city in Nara Prefecture, Japan. As of 30 September 2024, the city had an estimated population of 82,731 in 39,628 households, and a population density of 1,900 persons per km2. The total area of the city is 42.69 km2 (16.48 sq mi).
Geography
Yamatokōriyama is located in the northern part of the Nara Basin, with the Saho River and the Tomio River flowing through the city from north-to-south and merging into the Yamato River that flows westwards towards Osaka. The city area is mostly flat, but west of the Tomio River the Yata Hills make the land more undulating. There are also many ponds within the city, which were traditionally used as irrigation reservoirs or goldfish farms.
Neighboring municipalities
Nara Prefecture
Ando
Ikaruga
Ikoma
Kawanishi
Nara
Tenri
Climate
Yamatokōriyama has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Yamatokōriyama is 14.1 °C. The average annual rainfall is 1356 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.1 °C, and lowest in January, at around 2.6 °C.
Demographics
Per Japanese census data, the population of Yamatokōriyama is as shown below
History
The area of Yamatokōriyama was part of ancient Yamato Province, and many local neighborhood names appear in the early Heian period Engishiki records. The present day city center began as a castle town outside the gates of Kōriyama Castle during Sengoku period under the rule of Tsutsui Junkei and Toyotomi Hidenaga.
This brief starts where responsible research should: with the source description of “Yamatokōriyama” as city in Nara 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 Nara 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 Aug 31, 2026. The linked authority identifier is Q118213. VIAF identifies the subject as 259615934. The Library of Congress control number is n80060542. Authority coordinates are 34.649, 135.783. 2 of 7 selected statements include explicit references; 2 carry qualifiers and 1 use preferred rank. The first chronological checks are 2024 and 1356.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. 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 “Yamatokōriyama”, its source revision and the description used here.
- Expand the search: follow Yamatokōriyama primary sources, Yamatokōriyama archive and Yamatokōriyama 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 “Yamatokōriyama”?
- 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 “Yamatokōriyama” 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.