Aichi Prefecture

Aichi Prefecture (愛知県, Aichi-ken, Japanese pronunciation: [aitɕi̥ꜜkeɴ]) is a prefecture of Japan located in the Chūbu region of Honshū.[1]:11,126 Aichi Prefecture has a population of 7,552,873 (as of 1 October 2019) and a geographic area of 5,172.92 square kilometres (1,997.28 sq mi) with a population density of 1,460 inhabitants per square kilometre (3,800/sq mi). Aichi Prefecture borders Mie Prefecture to the west, Gifu Prefecture and Nagano Prefecture to the north, and Shizuoka Prefecture to the east.

Aichi Prefecture
Japanese transcription(s)
Clockwise from top:
Anthem: Warera ga Aichi
Coordinates: 35°10′43″N 136°54′50″E
Country Japan
RegionChūbu (Tōkai)
SubdivisionsDistricts: 7, Municipalities: 54
  GovernorHideaki Ōmura (since February 2011)
  Total5,172.92 km2 (1,997.28 sq mi)
 (1 October 2019)
  Density1,500/km2 (3,800/sq mi)
ISO 3166 codeJP-23
BirdOriental scops owl (Otus sunia japonicus)
FishKuruma prawn (Penaeus japonicus)
FlowerKakitsubata (Iris laevigata)
TreeHananoki (Acer pycnanthum)


Nagoya is the capital and largest city of Aichi Prefecture, and the fourth-largest city in Japan, with other major cities including Toyota, Okazaki, and Ichinomiya. Aichi Prefecture and Nagoya form the core of the Chūkyō metropolitan area, the third-largest metropolitan area in Japan and one of the largest metropolitan areas in the world.[1]:685 Aichi Prefecture is located on Japan's Pacific Ocean coast and forms part of the Tōkai region, a subregion of the Chūbu region and Kansai region. Aichi Prefecture is home to the Toyota Motor Corporation. Aichi Prefecture had many locations with the Higashiyama Zoo and Botanical Gardens, The Chubu Centrair International Airport, and the Legoland Japan Resort.


Map of Aichi Prefecture
     Government Ordinance Designated City      City      Town      Village
Aichi Prefectural Government Office
Satellite photo of Mikawa Bay

Located near the center of the Japanese main island of Honshu, Aichi Prefecture faces the Ise and Mikawa Bays to the south and borders Shizuoka Prefecture to the east, Nagano Prefecture to the northeast, Gifu Prefecture to the north, and Mie Prefecture to the west. It measures 106 km (66 mi) east to west and 94 km (58 mi) south to north and forms a major portion of the Nōbi Plain. With an area of 5,172.48 square kilometres (1,997.11 sq mi) it accounts for approximately 1.36% of the total surface area of Japan. The highest spot is Chausuyama at 1,415 m (4,642 ft) above sea level.

The western part of the prefecture is dominated by Nagoya, Japan's third largest city, and its suburbs, while the eastern part is less densely populated but still contains several major industrial centers. Due to its robust economy, for the period from October 2005 to October 2006, Aichi was the fastest growing prefecture in terms of population, beating Tokyo, at 7.4% and around with after Saitama Prefecture.

As of 1 April 2012, 23% of the total land area of the prefecture was designated as the Natural Parks, namely the Aichi Kōgen, Hida-Kisogawa, Mikawa Wan, and Tenryū-Okumikawa Quasi-National Parks along with seven Prefectural Natural Parks.[2]


Thirty-eight cities are located in Aichi Prefecture.

Towns and villages

These are the towns and villages in each district:


Aichi prefecture population pyramid in 2020
Historical population
YearPop.±% p.a.
Source: Statistics Bureau, Ministry of Internal Affairs and Communications[3]

As of 2001, Aichi Prefecture's population was 50.03% male and 49.97% female. 139,540 residents (nearly 2% of the population) are of foreign nationality.

Population by age (2001)

Age  % population  % male  % female
0–9 10.2110.459.96
10–19 10.7511.0210.48
20–29 15.2315.7114.75
30–39 14.8115.3114.30
40–49 12.2112.4112.01
50–59 15.2215.3115.12
60–69 11.3111.2211.41
70–79 6.766.017.52
Over 80
Unknown 0.380.540.23


Originally, the region was divided into two provinces of Owari and Mikawa.[1]:780 After the Meiji Restoration, Owari and Mikawa were united into a single entity. In 1871, after the abolition of the han system, Owari, with the exception of the Chita Peninsula, was established as Nagoya Prefecture, while Mikawa combined with the Chita Peninsula and formed Nukata Prefecture. Nagoya Prefecture was renamed to Aichi Prefecture in April 1872, and was united with Nukata Prefecture on November 27 of the same year.

The government of Aichi Prefecture is located in the Aichi Prefectural Government Office in Nagoya, which is the old capital of Owari. The Aichi Prefectural Police and its predecessor organisations have been responsible for law enforcement in the prefecture since 1871.

The Expo 2005 World Exposition was held in Seto and Nagakute.


In the third volume of the Man'yōshū there is a poem by Takechi Kurohito that reads: "The cry of the crane, calling to Sakurada; it sounds like the tide, draining from Ayuchi flats, hearing the crane cry". Ayuchi is the original form of the name Aichi, and the Fujimae tidal flat is all that remains of the earlier Ayuchi-gata. It is now a protected area.[4][5]

For a time, an Aichi Station existed on the Kansai Line (at the time the Kansai Railway) between Nagoya and Hatta stations, but its role was overtaken by Sasashima-raibu Station on the Aonami Line and Komeno Station on the Kintetsu Nagoya Line.


Gross domestic product (2018) is the second in Japan, shipment value of manufactured goods (2018) is the first in Japan, annual product sales(2019) is the third in Japan, and agricultural output (2018) is eighth in Japan. Agriculture industry, and commerce are all ranked high in Japan, and the industrial structure is well-balanced.

Main industry

Companies headquartered in Aichi include the following.

Aichi Steel Tōkai
Aisin SeikiKariya
Brother Industries, Ltd.Nagoya
Central Japan Railway CompanyNagoya
Denso CorporationKariya
Eisaku Noro CompanyIchinomiya
Kanesue Corporation Ichinomiya
Makita CorporationAnjō
Mizkan Corporation Handa
Nagoya RailroadNagoya
Nippon SharyoNagoya
Okuma Corporation Ōguchi
Sumitomo RikoKomaki[6]
Toyota Motor CorporationToyota

Companies such as Fuji Heavy Industries, Mitsubishi Motors, Pfizer, Sony, Suzuki, Bodycote, and Volkswagen Group also operate plants or branch offices in Aichi.

International relations

Sister Autonomous Administrative division



Nagoya Station and Nagoya Station building
Toyohashi Station and Toyohashi Railroad
Komaki Junction
Nagoya Expressway
Chubu Centrair International Airport, constructed on an artificial island
Port of Mikawa
JR Central
Tokaido Shinkansen
Tokaido Line
Chūō Main Line
Kansai Line
Taketoyo Line
Iida Line
 NH Nagoya Line
 IY Inuyama Line
 KM Komaki Line
 TA Centrair Line
 TA Tokoname Line
 ST Seto Line
 TK Toyokawa Line
 GN Gamagori Line
 TT Toyota Line
 KC Chita Line
 MU  MY Mikawa Line
 TB Bisai Line
 CH Chikko Line
 TB Tsushima Line
 E Nagoya Line
Aonami Line
Nagoya Municipal Subway
Higashiyama Line
Meijo Line
Tsurumai Line (connecting to Meitetsu Toyota and Inuyama Line)
Sakura-dori Line
Meiko Line
Kamiiida Line (connecting to Meitetsu Komaki Line)
Toyohashi Railroad
Aichi Loop Line

People movers and tramways

  • Nagoya Guideway Bus
  • Linimo
  • Toyohashi Railroad


Expressways and toll roads

  • Chuo Expressway
  • Higashi-Meihan Expressway(East Meihan Expressway)
  • Isewangan Expressway(Ise Bayside Expressway)
  • Meishin Expressway
  • Mei-Nikan Expressway
  • Nagoya Expressway
  • Shin-Meishin Expressway
  • Shin-Tōmei Expressway
  • Tokai-Hokuriku Expressway
  • Tomei Expressway
  • Chita Peninsula Road
  • South Chita Road
  • Chubu International Airport Connecting Road
  • Chita across Road
  • Nagoya Seto Road

National highways

  • Route 1
  • Route 19 (Nagoya-Kasugai-Tajimi-Nagiso-Matsumoto-Nagano)
  • Route 22 (Nagoya-Ichinomiya-Gifu)
  • Route 23 (Ise-Matsuzaka-Suzuka-Yokkaichi-Nagoya-Toyoake-Chiryu-Gamagori-Toyohashi)
  • Route 41 (Nagoya-Komaki-Inuyama-Gero-Takayama-Toyama)
  • Route 42
  • Route 151
  • Route 153
  • Route 154
  • Route 155 (Tokoname-Chita-Kariya-Toyota-Seto-Kasugai-Komaki-Ichinomiya-Tsushima-Yatomi)
  • Route 247
  • Route 248
  • Route 257 (Hamamatsu-Shinshiro-Toyota-Ena-Nakatsugawa-Gero-Takayama)
  • Route 259
  • Route 301
  • Route 302
  • Route 362
  • Route 363
  • Route 366
  • Route 419
  • Route 420
  • Route 473 (Gamagori-Okazaki-Toyota-Shitara-Hamamatsu)
  • Route 474
  • Route 475



  • Nagoya Port – International Container hub and ferry route to Sendai and Tomakomai, Hokkaido
  • Mikawa Port – mainly automobile and car parts export and part of inport base
  • Kinuura Port – Handa and Hekinan



National universities

  • Aichi University of Education
  • Graduate University for Advanced Studies - Okazaki Campus (National Institute for Basic Biology, Japan, National Institute for Physiological Sciences, Japan)
  • Nagoya Institute of Technology
  • Nagoya University
  • Toyohashi University of Technology

Public universities

  • Aichi Prefectural University
  • Aichi Prefectural University of the Arts
  • Nagoya City University

Private universities

  • Aichi Bunkyo University
  • Aichi Gakuin University
  • Aichi Gakusen University
  • Aichi Institute of Technology
  • Aichi Medical University
  • Aichi Mizuho College
  • Aichi Sangyo University
  • Aichi Shukutoku University
  • Aichi Toho University
  • Aichi University
  • Aichi University of Technology
  • Chubu University
  • Chukyo University
  • Daido University
  • Doho University
  • Fujita Health University
  • Globis University Graduate School of Management – Nagoya Campus
  • Japanese Red Cross Toyota College of Nursing
  • Kinjo Gakuin University
  • Meijo University
  • Nagoya Bunri University
  • Nagoya College of Music
  • Nagoya Gakuin University
  • Nagoya Keizai University
  • Nagoya Sangyo University
  • Nagoya University of Arts
  • Nagoya University of Arts and Sciences
  • Nagoya University of Commerce & Business
  • Nagoya University of Foreign Studies
  • Nagoya Women's University
  • Nagoya Zokei University
  • Nanzan University
  • Nihon Fukushi University
  • Ohkagakuen University
  • Okazaki Women's Junior College
  • Seijoh University
  • Seisa University – Nagoya Schooling Campus
  • Shigakkan University
  • Shubun University
  • Sugiyama Jogakuen University
  • Tokai Gakuen University
  • Tokyo University of Social Welfare – Nagoya Campus
  • Toyohashi Sozo College
  • Toyota Technological Institute
  • University of Human Environments

Senior high schools


Toyota Stadium
Wing Arena Kariya
Teva Ocean Arena

The sports teams listed below are based in Aichi.


Central League


Tokai Regional League






Top League




  • Nagoya Redbacks Australian Football Club (AFL Japan)(Nagoya


Ōsu Kannon, Naka, Nagoya
Toyota Commemorative Museum of Industry and Technology
SCMaglev and Railway Park
Akabane Beach, Tahara
Twin Arch 138 Tower in Kiso River Park, Ichinomiya

Notable sites in Aichi include the Meiji Mura open-air architectural museum in Inuyama, which preserves historic buildings from Japan's Meiji and Taishō periods, including the reconstructed lobby of Frank Lloyd Wright's old Imperial Hotel (which originally stood in Tokyo from 1923 to 1967).

Other popular sites in Aichi include the tour of Toyota car factory in the city by the same name, the monkey park in Inuyama, and the castles in Nagoya, Okazaki, Toyohashi, and Inuyama.

Aichi Prefecture has many wonderful beaches. For example, Himakajima Beach, Shinojima Beach, Akabane Beach and Utsumi Beach.

Notable people from Aichi

Festival and events

UNESCO Intangible Cultural Heritage[7]


  1. Frédéric, Louis (31 May 2002). Japan Encyclopedia. Translated by Roth, Käthe. Harvard University Press. ISBN 978-0674007703. OCLC 58053128. OL 7671330M.
  2. "General overview of area figured for Natural Parks by prefecture" (PDF). Government of Japan. Ministry of the Environment. 1 April 2014. Archived (PDF) from the original on 5 November 2020. Retrieved 11 November 2020.
  3. "Statistics Bureau Home Page". Ministry of Internal Affairs and Communications. Statistics Bureau. n.d. Archived from the original on 8 November 2020. Retrieved 12 November 2020.
  4. "Summary of Aichi Prefecture". Aichi Prefectural Government Official Site. Aichi Prefectural Government Office. n.d. Archived from the original on 29 October 2020. Retrieved 11 November 2020.
  5. Sadamichi, Kato (1 July 2000). "Rediscovering an Ancient Poem to Save a Tidal Flat". International Studies in Literature and Environment. Oxford University Press. 7 (2): 189–197. doi:10.1093/isle/7.2.189. eISSN 1759-1090. ISSN 1076-0962. OCLC 819414712.
  6. "Business Locations". Sumitomo Riko. Archived from the original on 12 November 2020. Retrieved 11 November 2020.
  7. "Yama, Hoko, Yatai, float festivals in Japan". Website of the Convention for the Safeguarding of the Intangible Cultural Heritage. UNESCO. Secretariat of the Convention for the Safeguarding of the Intangible Cultural Heritage. n.d. Archived from the original on 10 July 2020. Retrieved 12 November 2020.
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