Isesaki

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Special city in Kantō, Japan

title: "Isesaki" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["cities-in-gunma-prefecture", "isesaki,-gunma", "populated-places-on-the-tone-river"] description: "Special city in Kantō, Japan" topic_path: "geography" source: "https://en.wikipedia.org/wiki/Isesaki" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Special city in Kantō, Japan ::

::data[format=table title="Infobox settlement"]

FieldValue
nameIsesaki
native_name伊勢崎市
settlement_typeSpecial city
image_skylineIsesaki City Hall 001.JPG
image_captionIsesaki city hall
image_flagFlag of Isesaki, Gunma.svg
image_sealEmblem of Isesaki, Gunma.svg
image_mapIsesaki in Gunma Prefecture Ja.svg
map_captionLocation of Isesaki in Gunma Prefecture
pushpin_mapJapan
pushpin_label_position
pushpin_map_caption
coordinates
coor_pinpoint
coordinates_footnotestags --
subdivision_typeCountry
subdivision_nameJapan
subdivision_type1Region
subdivision_name1Kantō
subdivision_type2Prefecture
subdivision_name2Gunma
established_titleFirst official recorded
established_date535 AD
established_title2City settled
established_date2September 13, 1940
seat_type
government_footnotestags --
leader_titleMayor
leader_nameYasuo Hiji (from June 2021)
leader_name1
total_type
unit_pref
area_magnitude
area_footnotestags --
area_total_km2139.44
elevation_footnotestags --
population_footnotestags --
population_total213303
population_as_ofSeptember 2020
population_density_km2auto
population_demonym
timezone1Japan Standard Time
utc_offset1+9
area_code_type
blank_name_sec1Phone number
blank_info_sec10270-24-5111
blank1_name_sec1Address
blank1_info_sec12-410 Imaizumi-chō, Isesaki-shi, Gunma-ken 372-8501
blank_name_sec2Climate
blank_info_sec2Cfa
website
module{{Infobox place symbols
treePine
flowerAzalea, Salvia splendens, Chrysanthemum, Narcissus
::

::callout[type=note] city in Gunma Prefecture ::

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| coordinates = | coor_pinpoint = | coordinates_footnotes = tags -- | subdivision_type = Country | subdivision_name = Japan | subdivision_type1 = Region | subdivision_name1 = Kantō | subdivision_type2 = Prefecture | subdivision_name2 = Gunma | subdivision_type3 = | subdivision_name3 = | established_title = First official recorded | established_date = 535 AD | established_title2 = City settled | established_date2 = September 13, 1940 | founder = | named_for = | seat_type = | seat = | government_footnotes = tags -- | leader_party = | leader_title = Mayor | leader_name = Yasuo Hiji (from June 2021) | leader_title1 = | leader_name1 = | total_type = | unit_pref = | area_magnitude = | area_footnotes = tags -- | area_total_km2 = 139.44 | area_land_km2 = | area_water_km2 = | area_water_percent = | area_note = | elevation_footnotes = tags -- | elevation_m = | population_footnotes = tags -- | population_total = 213303 | population_as_of = September 2020 | population_density_km2 = auto | population_est = | pop_est_as_of = | population_demonym = | population_note = | timezone1 = Japan Standard Time | utc_offset1 = +9 | postal_code_type = | postal_code = | area_code_type = | area_code = | blank_name_sec1 = Phone number | blank_info_sec1 = 0270-24-5111 | blank1_name_sec1 = Address | blank1_info_sec1 = 2-410 Imaizumi-chō, Isesaki-shi, Gunma-ken 372-8501 | blank_name_sec2 = Climate | blank_info_sec2 = Cfa | website = | footnotes = | module = {{Infobox place symbols| embedded=yes | tree = Pine | flower = Azalea, Salvia splendens, Chrysanthemum, Narcissus | bird = | flowering_tree = | butterfly = | fish = | other_symbols =

Isesaki is a city located in Gunma Prefecture, Japan. , the city had an estimated population of 213,303 in 91,789 households, and a population density of 1500 persons per km2. The total area of the city is 139.44 sqkm.

Geography

Isesaki is located in the northwestern part of the Kantō Plain of southern Gunma Prefecture. It is adjacent to Saitama Prefecture across the Tone River, which runs through the southern part of the city. The distance to the center of the city is about 15 km from Maebashi City, the prefectural capital of Gunma, 20 km from Takasaki, and about 95 km from central Tokyo.

Surrounding municipalities

Gunma Prefecture

Climate

Isesaki has a humid subtropical climate (Köppen Cfa) characterized by warm summers and cold winters with heavy snowfall. The average annual temperature in Isesaki is 14.5 °C. The average annual rainfall is 1256 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.6 °C, and lowest in January, at around 3.3 °C. On August 5th 2025, Isesaki recorded a temperature of 41.8°C, the hottest temperature ever registered in Japanese history.

|width=auto |collapsed = Y |single line = Y |metric first = Y |location = Isesaki (1998−2020 normals, extremes 1998−present) |Jan record high C = 18.6 |Feb record high C = 23.8 |Mar record high C = 26.3 |Apr record high C = 31.5 |May record high C = 36.0 |Jun record high C = 40.2 |Jul record high C = 40.3 |Aug record high C = 41.8 |Sep record high C = 39.0 |Oct record high C = 33.5 |Nov record high C = 27.9 |Dec record high C = 25.4 |year record high C = 41.8 |Jan high C = 9.4 |Feb high C = 10.4 |Mar high C = 14.0 |Apr high C = 19.6 |May high C = 24.9 |Jun high C = 27.6 |Jul high C = 31.2 |Aug high C = 32.5 |Sep high C = 28.2 |Oct high C = 22.3 |Nov high C = 16.8 |Dec high C = 11.8 |Jan mean C = 4.1 |Feb mean C = 4.9 |Mar mean C = 8.4 |Apr mean C = 13.7 |May mean C = 19.1 |Jun mean C = 22.6 |Jul mean C = 26.3 |Aug mean C = 27.4 |Sep mean C = 23.5 |Oct mean C = 17.6 |Nov mean C = 11.6 |Dec mean C = 6.3 |Jan low C = -0.6 |Feb low C = 0.0 |Mar low C = 3.1 |Apr low C = 8.2 |May low C = 13.9 |Jun low C = 18.5 |Jul low C = 22.4 |Aug low C = 23.5 |Sep low C = 19.8 |Oct low C = 13.6 |Nov low C = 6.8 |Dec low C = 1.5 |Jan record low C = -6.8 |Feb record low C = -5.6 |Mar record low C = -4.2 |Apr record low C = -0.6 |May record low C = 5.6 |Jun record low C = 11.6 |Jul record low C = 16.5 |Aug record low C = 16.5 |Sep record low C = 9.3 |Oct record low C = 3.1 |Nov record low C = -2.5 |Dec record low C = -5.6 |year record low C = -6.8 |precipitation colour = green |Jan precipitation mm = 28.8 |Feb precipitation mm = 25.3 |Mar precipitation mm = 49.8 |Apr precipitation mm = 73.5 |May precipitation mm = 99.3 |Jun precipitation mm = 139.9 |Jul precipitation mm = 190.4 |Aug precipitation mm = 169.9 |Sep precipitation mm = 184.4 |Oct precipitation mm = 149.7 |Nov precipitation mm = 43.0 |Dec precipitation mm = 27.1 |year precipitation mm = 1176.5 |unit precipitation days = 1.0 mm |Jan precipitation days = 2.9 |Feb precipitation days = 3.6 |Mar precipitation days = 6.6 |Apr precipitation days = 7.8 |May precipitation days = 9.4 |Jun precipitation days = 11.7 |Jul precipitation days = 14.3 |Aug precipitation days = 10.8 |Sep precipitation days = 11.5 |Oct precipitation days = 8.8 |Nov precipitation days = 5.3 |Dec precipitation days = 3.7 |Jan sun = 217.9 |Feb sun = 201.0 |Mar sun = 211.3 |Apr sun = 205.8 |May sun = 201.9 |Jun sun = 140.7 |Jul sun = 149.5 |Aug sun = 169.5 |Sep sun = 138.6 |Oct sun = 153.4 |Nov sun = 177.1 |Dec sun = 203.3 |year sun = 2177.0 |source 1 = Japan Meteorological Agency{{cite web | url = http://www.data.jma.go.jp/obd/stats/etrn/view/nml_amd_ym.php?prec_no=42&block_no=1021&year=&month=&day=&view= |script-title=ja:伊勢崎 年・月ごとの平年値 | access-date = May 24, 2013 | publisher = Japan Meteorological Agency | url = http://www.data.jma.go.jp/obd/stats/etrn/view/rank_a.php?prec_no=42&block_no=1021&year=&month=&day=&view= |script-title=ja:伊勢崎 観測史上1～10位の値 | access-date = May 25, 2014 | publisher = Japan Meteorological Agency

Demographics

Per Japanese census data, the population of Isesaki has increased steadily over the past 60 years.

| 1960 | 130,555 | 1970 | 137,118 | 1980 | 159,069 | 1990 | 175,254 | 2000 | 194,393 | 2010 | 207,199 | 2020 | 211,850 |align = none | footnote =

History

Isesaki developed during the Sengoku period as a castle town surrounding Akaishi Castle, a stronghold in southern Kōzuke Province controlled by the Yura clan. During the Edo period, it was the center of Isesaki Domain, a feudal domain under the Tokugawa shogunate controlled by the Sakai clan. The area also contained two post towns on the Nikkō Reiheishi Kaidō, a subroute to Nikkō Kaidō which connected the Nakasendō directly with Nikkō, bypassing Edo.

Isesaki Town was created within Sai District, Gunma Prefecture on April 1, 1889 with the creation of the modern municipalities system after the Meiji Restoration. Sai District and Nawa District merged to form Sawa District in 1896. It merged with the villages of Uehasu and Moro to form the city of Isesaki on September 13, 1940. On January 10, 1955 the village of Misato was annexed by Isesaki, followed by the villages of Nawa, Toyouke and Miyagō on March 25 of the same year.

On January 1, 2005 the towns of Akabori and Sakai, and village of Azuma were incorporated into Isesaki. On April 1, 2007, Isesaki was proclaimed a special city (tokureishi) with increased autonomy.

Government

Isesaki has a mayor-council form of government with a directly elected mayor and a unicameral city council of 29 members. Isesaki contributes five members to the Gunma Prefectural Assembly. In terms of national politics, the city is part of the Gunma 2nd district of the lower house of the Diet of Japan.

Economy

Isesaki (along with neighboring Kiryū) was traditionally famous for sericulture since ancient times, with a cloth called "Isesaki Meisen" as one of its most famous products. This cloth has been made since the late 17th century, and became popular during the Meiji and Taishō periods. Now, however, due to the ubiquity of Western-style clothes, its popularity is decreasing.

The automotive equipment and electrical equipment manufacturing company Sanden Corporation is headquartered in Isesaki. Also the city is home to Meisei Electric, a communications and electronics equipment and electric measuring instruments manufacturing company. Large industrial parks have been built in the suburbs, making it one of the leading industrial cities in the northern Kantō region.

It is also the location of J-List, a retailer of anime goods, visual novels and related products from Japan.

Education

Universities

Primary and secondary schools

Isesaki has 22 public elementary schools and 12 public middle schools operated by the city government, and five public high schools operated by the Gunma Prefectural Board of Education. Then prefecture also operates three special education schools for the handicapped.

Isesaki has a Peruvian international school, Colegio Hispano Americano de Gunma.

Transportation

Railway

::figure[src="https://upload.wikimedia.org/wikipedia/commons/3/30/JR_logo_(east).svg" caption="20px]] [[JR East]] – [[Ryōmō Line"] ::

::figure[src="https://upload.wikimedia.org/wikipedia/commons/1/13/Tōbu_Tetsudō_Logo.svg" caption="40px]] [[Tobu Railway]] – [[Tobu Isesaki Line"] ::

Highway

  • – Isesaki Interchange, Hashie Parking Area

Local attractions

  • Former home of Tajima Yohei
  • Grave of Kunisada Chūji
  • Goshiki Onsen
  • Isesaki Jinja
  • Kezouji Park (Amusement park)

Sister cities

Notable people

References

References

  1. "Isesaki City official statistics".
  2. [https://en.climate-data.org/asia/japan/gunma/isesaki-5772/ Isesaki climate data]
  3. "群馬・伊勢崎で41.6度 国内の史上最高気温を更新".
  4. "群馬 伊勢崎で41.8度 観測史上最高気温を更新 暑さの背景は".
  5. (5 Aug 2025). "Japan sets record high temperatures, worries mount over rice crops". [[Reuters]].
  6. [https://www.citypopulation.de/php/japan-gunma.php Isesaki population statistics]
  7. [http://t-mainichi.jp/gunma/kaidou_box/kaidou/2_reiheishi.html Nikkō Reiheishidō] {{webarchive. link. (2007-09-29 . Mainichi Shinbun. Accessed August 29, 2007.)
  8. [http://www.city.takasaki.gunma.jp/soshiki/kankou/kankou/nakasen.htm Old Nakasendo: Kuragano-shuku and Takasaki-shuku] {{webarchive. link. (2007-08-22 . City of Takasaki. Accessed August 29, 2007.)
  9. "Sanden Corporation company profile".
  10. "About Meisei Electric".
  11. "[http://cedha.pe.tripod.com/new_page_2.htm Mapa] {{Webarchive. link. (2015-10-24 ." Centro de Desarrollo Hispano Americano. Retrieved on October 24, 2015. "Gunma Ken, Isesaki Shi, Heiwa Cho 10-13")
  12. "Colegio News".
  13. "Interactive City Directory". [[Sister Cities International]].

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

cities-in-gunma-prefectureisesaki,-gunmapopulated-places-on-the-tone-river