Nagareyama
city in Chiba Prefecture, Japan
Nagareyama (流山市, Nagareyama-shi) is a city located in Chiba Prefecture, Japan. As of 1 February 2024, the city had an estimated population of 211,620 in 89,751 households and a population density of 6,000 persons per km2. The total area of the city is 35.28 km2 (13.62 sq mi).
Geography
Nagareyama is located in the far northwestern corner of Chiba Prefecture, bordered by the Edogawa River to the west. It is about 30 kilometers from the prefectural capital at Chiba and within 20 to 30 kilometers from the center of Tokyo. The city area is long from north to south, and the central and northern parts of the city form part of the Shimōsa Plateau, with almost the entire area as either residential or farmland. The Edo River runs north and south along the western border of the city, opposite which is Saitama Prefecture. In addition, the Tone Canal runs through the northern part of the city.
Neighboring municipalities
Chiba Prefecture
Kashiwa
Matsudo
Noda
Saitama Prefecture
Misato
Yoshikawa
Climate
Nagareyama has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cool winters with light to no snowfall. The average annual temperature in Nagareyama is 14.8 °C. The average annual rainfall is 1370 mm with September as the wettest month.
The public source identifies “Nagareyama” as city in Chiba Prefecture, Japan. This brief keeps that definition visible, then builds a research path around Nagareyama, city and Chiba.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Nagareyama”, the useful work is to connect “city in Chiba Prefecture, Japan” to the records capable of establishing context and consequence.
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 Q328625. VIAF identifies the subject as 259326845. Authority coordinates are 35.856, 139.903. 2 of 5 selected statements include explicit references; 1 carry qualifiers and 1 use preferred rank. The first chronological checks are 2024 and 1370.
Modern boundaries and familiar names can conceal earlier jurisdictions or structures that do not align with the present site. 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.
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Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
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Three-step research path
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Questions for further research
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This entry incorporates text from “Nagareyama” 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.