Kōnan, Aichi

Kōnan (江南市, Kōnan-shi) is a city located in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 97,903 in 41,363 households,[1] and a population density of 3,242 inhabitants per square kilometre (8,400/sq mi). The total area of the city is 30.20 km2 (11.66 sq mi).

Aigioohashi bridge-1.JPG
Suitopia Konan from Butsuganin.jpg
Upper:Aigi Bridge and Kiso River
Lower:Kōnan Skyline
Flag of Kōnan
Official seal of Kōnan
Location of Kōnan in Aichi Prefecture
Location of Kōnan in Aichi Prefecture
Kōnan is located in Japan
Coordinates: 35°19′55.5″N 136°52′14.4″E / 35.332083°N 136.870667°E / 35.332083; 136.870667Coordinates: 35°19′55.5″N 136°52′14.4″E / 35.332083°N 136.870667°E / 35.332083; 136.870667
RegionChūbu (Tōkai)
 • Total30.20 km2 (11.66 sq mi)
 (October 1, 2019)
 • Total97,903
 • Density3,200/km2 (8,400/sq mi)
Time zoneUTC+9 (Japan Standard Time)
- TreeRound Leaf Holly
- FlowerWisteria
Phone number0587-54-1111
Address90 Ōbori, Akadouji-machi, Kōnan-shi, Aichi-ken 483-8701
WebsiteOfficial website
Kōnan city hall
Hotei Town


The name of the city means "south of the river", referring to the Kiso River.


Kōnan is located in the northern part of the Nōbi Plain, on the southern bank of the Kiso River. The city extends 6.1 km (3.8 mi) from east to west and 8.8 km (5.5 mi) from north to south. The landform is generally a flat, fertile alluvial fan. Located approximately 20 km (12 mi) from the Nagoya metropolis, it is also a traffic node bordering Gifu Prefecture.


The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Kōnan is 15.7 °C (60.3 °F). The average annual rainfall is 1,845 mm (72.6 in) with September as the wettest month. The temperatures are highest on average in August, at around 28.0 °C (82.4 °F), and lowest in January, at around 4.2 °C (39.6 °F).[2]


Per Japanese census data,[3] the population of Kōnan has increased steadily over the past 70 years.

Historical population
1940 33,664—    
1950 42,836+27.2%
1960 49,278+15.0%
1970 77,996+58.3%
1980 92,141+18.1%
1990 93,837+1.8%
2000 97,923+4.4%
2010 99,731+1.8%

Surrounding municipalitiesEdit

Aichi Prefecture
Gifu Prefecture


The area of Kōnan is located in ancient Owari Province and was largely part of the holdings of Owari Domain under the Edo period Tokugawa Shogunate. After the establishment of the modern municipalities system in the early Meiji period, the area was organized into villages within Niwa District, Aichi Prefecture. The area was noted for sericulture during this period. The village of Koori became the town of Hotei on November 26, 1894. Hotei and the town of Kochino, together with the town of Miyata and village of Kusai (both from Haguri District) merged on June 1, 1954 to form the city of Kōnan. The Kōnan reached 100,000 people.


Kōnan has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 22 members. The city contributes one member to the Aichi Prefectural Assembly. In terms of national politics, the city is part of Aichi District 10 of the lower house of the Diet of Japan.


Kōnan is a local commercial center and a center for transshipment and light manufacturing. Due to its proximity to the Nagoya metropolis, it is increasing becoming a commuter community

Shopping mall
  • VIA MALL Kounan


Kōnan has ten public elementary schools and five public junior high schools operated by the city government, and three public high schools operated by the Aichi Prefectural Board of Education. There is also one private junior high school and one private high school. The Aichi Konan College, a two-year junior college is also located in Kōnan.



Conventional linesEdit



Japan National RouteEdit

Local attractionsEdit

  • Flower Park Konan
  • Suitopia Konan
Historic site



Notable people from KōnanEdit


External linksEdit

  Media related to Konan, Aichi at Wikimedia Commons