Kariya, Aichi
city in Aichi prefecture, Japan
Kariya (刈谷市, Kariya-shi) is a city in central Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 153,162 in 66,751 households, and a population density of 3,040 persons per km2. The total area of the city is 50.39 square kilometres (19.46 sq mi).
Geography
Kariya is situated in central Aichi Prefecture, on the Mikawa side of the border between former Owari Province and Mikawa Province. The area is flat and well-watered, with an average elevation of less than 10 meters above sea level.
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 Aisai is 15.7 °C. The average annual rainfall is 1578 mm with September as the wettest month. The temperatures are highest on average in August, at around 27.9 °C, and lowest in January, at around 4.4 °C.
Demographics
Per Japanese census data, the population of Kariya has grown steadily over the past 70 years.
Neighboring municipalities
Aichi Prefecture
Anjō
Chiryū
Higashiura
Miyoshi
Ōbu
Takahama
Tōgō
Toyoake
Toyota
History
Feudal period
Kariya was a castle town in the Sengoku period, in an area contested between the Imagawa clan, Oda clan and various local warlords, including the Mizuno clan and Matsudaira clan.
Early modern period
Tokugawa Ieyasu’s maternal grandfather Mizuno Tadamasa rebuilt Kariya Castle in the mid-16th century.
The public source identifies “Kariya, Aichi” as city in Aichi prefecture, Japan. This brief keeps that definition visible, then builds a research path around Kariya, Aichi and city.
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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 29, 2026. The linked authority identifier is Q389515. VIAF identifies the subject as 256539350. Authority coordinates are 34.989, 137.002. 2 of 5 selected statements include explicit references; 1 carry qualifiers and 1 use preferred rank. The first chronological checks are 2019 and 1578.
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This entry incorporates text from “Kariya, 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.