Chiryū (知立市,Chiryū-shi) is acity in centralAichi Prefecture, Japan. It belongs to the Nishimikawa region. As of 1 October 2019^[update], the city had an estimated population of 71,992 in 32,579 households,^[1] and a population density of 4,414 persons per km². The total area of the city is 16.31 square kilometres (6.30 sq mi).

Chiryū 知立市
City
Chiryū Festival
Flag Seal
Location of Chiryū in Aichi Prefecture
Chiryū
Coordinates:35°0′5.029″N137°3′2.17″E / 35.00139694°N 137.0506028°E /35.00139694; 137.0506028
Country	Japan
Region	Chūbu (Tōkai)
Prefecture	Aichi
Government
• Mayor	Tomoko Ishikawa (since December 2024)
Area
• Total	16.31 km2 (6.30 sq mi)
Population  (1 October 2019)
• Total	71,992
• Density	4,400/km2 (11,000/sq mi)
Time zone	UTC+9 (Japan Standard Time)
– Tree	Zelkova serrata
– Flower	Iris laevigata
Phone number	0566-83-1111
Address	3-1 Hiromi, Chiryū-shi, Aichi-ken 472-8666
Website	Official website

Chiryū is situated in central Aichi Prefecture bordered by the Aizuma River to the north and the Sawatari River to the south.

The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classificationCfa). The average annual temperature in Chiryū is 15.7 °C. The average annual rainfall is 1579 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 4.3 °C.^[2]

Per Japanese census data,^[3] the population of Chiryū has been increasing steadily over the past 70 years.

Aichi Prefecture

• Anjō
• Kariya
• Toyota

"Chiryū" as a local place name appears in documents in theNara period, and was located within formerMikawa Province.

During theEdo period, the area prospered asChiryū-juku, one of thepost stations on theTōkaidō connectingEdo withKyoto.The town was noted for its horse trading fairs. Part of the present day city were under the control ofKariya Domain, afeudal han under theTokugawa shogunate. The pottery industry was developed in these area from ancient times to the Middle Ages. About 100 old kiln sites have been discovered to date, as well as many ponds for agriculture that are said to have been built up to the early modern period.^[4]

After theMeiji restoration, Chiryū Town was created withinHekikai District, Aichi Prefecture on 1 October 1889 with the establishment of the modern municipalities system.

Chiryū attained city status on 1 December 1970.

Chiryū has amayor-council form of government with a directly elected mayor and aunicameral city legislature of 20 members. The city contributes one member to the Aichi Prefectural Assembly. In terms of national politics, the city is part of Aichi District 13 of thelower house of theDiet of Japan.

The economy of Chiryū is industrial, with automotive parts and automotive electronics manufacturing predominating. Fuji Corporation, a machine tool manufacturer, has its head office and factory in Chiryū. The city has numerous road and rail connections to downtown Nagoya and is increasingly becoming acommuter town.

Chiryū has seven public elementary schools and three public middle schools operated by the city government, and two public high schools operated by the Aichi Prefectural Board of Education. There is also one private high school and three private vocational training schools.

 Meitetsu

• Nagoya Main Line: -Ushida – Chiryū –
• Mikawa Line: -Chiryū –Shigehara –

•  National Route 1
•  National Route 23
•  National Route 155
•  National Route 419

• Chiryū Jinja – Shinto shrine, with atahōtō built in 1907, which has been designated as an Important Cultural Property^[5]
• Yatsuhashi Kakitsubata Garden (八橋かきつばた園) at the Muryoju-ji Temple which has been known for its water garden andIris laevigata since the Heian period. It is also the place where theAriwara no Narihira wrote a poem in theIse Monogatari using the five initial letters of Ka-Ki-Tsu-Ba-Ta. The poem goes:

KArakoromo KItsutsu narenishi TSUma shi areba HArubaru kinuru TAbi wo shi zo omou (HA can also be read BA).

The Kikatsubata is the prefectural flower of Aichi prefecture as well as of Chiryū City. Each year at the end of April a festival is held in the temple garden as a celebration of the flowering.

•  Wyndham,Victoria, Australia, since 10 February 2000^[6]
•  Ina,Nagano Prefecture,Chūbu region, since 7 November 1994

• Ryoha Kitagawa – former idol
• Seiji Suzuki – politician

  Media related toChiryū, Aichi at Wikimedia Commons

• Official website(in Japanese)