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Coordinates: 35°17′27.6″N 136°54′43.6″E / 35.291000°N 136.912111°E / 35.291000; 136.912111
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Upper:Komaki Castle
Lower:Komaki Skyline
Flag of Komaki
Official seal of Komaki
Location of Komaki in Aichi Prefecture
Location of Komaki in Aichi Prefecture
Komaki is located in Japan
Coordinates: 35°17′27.6″N 136°54′43.6″E / 35.291000°N 136.912111°E / 35.291000; 136.912111
RegionChūbu (Tōkai)
 • - MayorSuzuo Yamashita
 • Total62.81 km2 (24.25 sq mi)
 (1 October 2019)
 • Total148,872
 • Density2,400/km2 (6,100/sq mi)
Time zoneUTC+9 (Japan Standard Time)
- TreeTabunoki (Machilus thunbergii)
- FlowerAzalea
Phone number0568-72-2101
Address1-1 Horinouchi, Komaki-shi, Aichi-ken 485-8650
WebsiteOfficial website

Komaki (小牧市, Komaki-shi) is a city located in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 148,872 in 68,174 households,[1] and a population density of 2,370 inhabitants per square kilometre (6,100/sq mi). The total area of the city was 62.81 square kilometres (24.25 sq mi). Komaki is commonly associated with the former Komaki Airport, which is located on the border between Komaki and neighboring Kasugai.


Downtown of Komaki City

Komaki is located in the middle of the Nōbi Plain, west-central Aichi Prefecture, north of the Nagoya metropolis. The city skyline is dominated by Mount Komaki, which is topped with Komaki Castle.


The city has a climate characterized by hot and humid summers, and relatively mild winters (Köppen climate classification Cfa). The average annual temperature in Komaki is 15.7 °C (60.3 °F). The average annual rainfall is 1,769 mm (69.6 in) with September as the wettest month. The temperatures are highest on average in August, at around 28.1 °C (82.6 °F), and lowest in January, at around 4.2 °C (39.6 °F).[2]


Per Japanese census data,[3] the population of Komaki has increased rapidly over the past 60 years.

Historical population
1960 43,470—    
1970 79,606+83.1%
1980 103,233+29.7%
1990 124,441+20.5%
2000 143,122+15.0%
2010 147,059+2.8%

Surrounding municipalities[edit]

Aichi PrefectureAichi Prefecture


Komakiyama Castle
Oda Nobunaga

Ancient history[edit]

Archaeological remains from the Japanese Paleolithic through Yayoi period have been found in what is now Komaki, and burial tumuli from the Kofun period are also common.

Middle Ages[edit]

During the Sengoku period, Oda Nobunaga used Komaki Castle as his headquarters from which he launched his invasion of Mino Province and later the area surrounding Mount Komaki was the site of the Battle of Komaki and Nagakute in 1584.

Early modern period[edit]

It was part of the holdings of Owari Domain during the Edo period, and prospered as a post town on the route connecting Nagoya with the Nakasendō highway.

Late modern period[edit]

During the Meiji period establishment of the modern municipalities system, the area was organized into villages under Higashikasugai District, Aichi. Komaki was proclaimed a town on July 16, 1906, through the merger of four villages.

Contemporary history[edit]

Komaki was raised to city status on January 1, 1955, after merging with the village of Kitasato in Nishikasugai District, Aichi.


Komaki City hall

Komaki has a mayor-council form of government with a directly elected mayor and a unicameral city legislature of 25 members. The city contributes two members to the Aichi Prefectural Assembly. In terms of national politics, the city is part of Aichi 16th district of the lower house of the Diet of Japan.

External relations[edit]

Twin towns – Sister cities[edit]


Sister cities
Friendship city


Friendship city


Komaki CBD
Toukadai New Town

Komaki has a mixed economy, with agriculture (rice and horticulture), commence, and light manufacturing industries playing important roles.

Komaki's GDP per capita (Nominal) was ¥5,859,100 in 2014.[6][7]

Primary sector of the economy[edit]


Poultry farming[edit]

Secondary sector of the economy[edit]


Sumitomo Riko (Previously known as Tokai Gomme), a global rubber and synthetic resin products manufacturing company, whose automotive anti-vibration components hold the largest global market share, has its headquarters in the city.[8]

Tertiary sector of the economy[edit]


Due to its highway connections with the Nagoya metropolis, it is also becoming a bedroom community.

Companies headquartered in Komaki[edit]

  • COMO
  • santec
  • CKD Corporation
  • Sumitomo Riko
  • Taihei Machinery Works
  • Tsunoda Co




Elementary and secondary education

Komaki has 16 public elementary schools and nine 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 high school. The prefecture also operates one special education school for the handicapped.

International School[edit]


Around Komaki Station




Conventional lines[edit]


The Peachliner, formally the Tōkadai Shin-kōtsū Peach Liner (桃花台新交通ピーチライナー) was a people mover which operated from 1991 until September 30, 2006, when it became the first people-mover system in Japan to cease operations.[10]



Japan National Route[edit]

Local attractions[edit]

Komaki Central Public Hall
Historic sites
  • Mount Komaki (Komaki Castle)
  • Ryūon-ji temple(Mama Kannon)
  • Tagata Jinja
  • Komaki shuku (Kishida house)
  • Iwaya Kofun
  • Shinooka Kiln ruins
  • Menard Art Museum
  • Shimin Shiki no Mori
  • Komaki Municipal Baseball Stadium
  • Park Arena Komaki




Sex Name competition League Home Sponsor Since
Men Nagoya Diamond Dolphins Basketball B.League (B1) Dolphins Arena
Park Arena Komaki
Nagoya Diamond Dolphins
(Mitsubishi Electric)
Men Nagoya Oceans Futsal F.League Takeda Teva Ocean Arena
Park Arena Komaki
Teva Takeda Pharma 2006

Noted people from Komaki[edit]


  1. ^ "Komaki City official statistics" (in Japanese). Archived from the original on 2019-10-23. Retrieved 2019-10-23.
  2. ^ "Komaki climate data".
  3. ^ Komaki population statistics
  4. ^ "International Exchange". List of Affiliation Partners within Prefectures. Council of Local Authorities for International Relations (CLAIR). Archived from the original on 24 December 2015. Retrieved 21 November 2015.
  5. ^ "Komaki:Interaction with Yakumo". Archived from the original on 2017-03-20. Retrieved 2021-09-09.
  6. ^ 市民所得 [Citizen Income] (PDF). Archived from the original (PDF) on 22 August 2018.
  7. ^ "Komaki Population (December 2014)". 1 December 2014.
  8. ^ "Business Locations". Sumitomo Riko. Archived from the original on 12 November 2020. Retrieved 11 November 2020.
  9. ^ "Escolas Brasileiras Homologadas no Japão" (Archive). Embassy of Brazil in Tokyo. February 7, 2008. Retrieved on October 13, 2015.
  10. ^ Peachliner home page Archived 2018-12-15 at the Wayback Machine (in Japanese)

External links[edit]