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{{Short description|City in South Chungcheong, South Korea}}
{{About|a city in South Chungcheong province|the administrative district in Ulju County, Ulsan|Onyang (Ulsan)}}
{{Distinguish|Asian (disambiguation)|Aslan}}
{{other uses}}
{{Use dmy dates|date=May 2020}}
{{Infobox settlement
| name               = Asan
| native_name        = {{nobold|아산시}}
| native_name_lang   = ko
| translit_lang1     = Korean
| settlement_type    = [[Cities of South Korea|Municipal City]]
| translit_lang1_type1 = [[Hangul]]
| translit_lang1_info1 = {{lang|ko|아산시}}
| translit_lang1_type2 = [[Hanja]]
| translit_lang1_info2 = {{lang|ko|牙山市}}
| translit_lang1_type3 = {{nowrap|Revised Romanization}}
| translit_lang1_info3 = Asan-si
| translit_lang1_type4 = {{nowrap|McCune–Reischauer}}
| translit_lang1_info4 = Asan-si
| image_skyline      = 
| imagesize          = 
| image_caption      = 
| image_map          = South Chungcheong-Asan.svg
| mapsize            = 
| map_caption        = Location in South Korea
| coordinates        = {{coord|36|47|N|126|59|E|type:city_region:KR-44|display=inline,title}}
| subdivision_type   = Country
| subdivision_name   = {{flag|South Korea}}
| subdivision_type1  = [[Regions of Korea|Region]]
| subdivision_name1  = [[Hoseo]]
| population_blank1_title = Dialect
| population_blank1  = [[Chungcheong dialect|Chungcheong]]
| area_total_km2     = 542.25
| area_urban_km2     = 42.29
| population_as_of   = September 2024<ref>{{cite web |url=https://jumin.mois.go.kr/|title=Population statistics |date=2024|website=Korea Ministry of the Interior and Safety}}</ref>
| population_total   = 353,603
| population_density_km2 = 529.41
<!-- government type, leaders -->| government_footnotes = <!-- for references: use <ref> tags -->
| leader_party       = 
| leader_title       = mayor
| leader_name        = Gyeong Gwi Park ({{Korean|hangul=박경귀|labels=no}})
| leader_title1      = 
| leader_name1       = <!-- etc., up to leader_title4 / leader_name4 -->
| parts_type         = [[Administrative divisions of South Korea|Administrative divisions]]
| parts              = 2 ''eup'', 9 ''myeon'', 6 ''dong''
| image_blank_emblem = 
| blank_emblem_size  = 104px
| blank_emblem_type  = Emblem of Asan
| website            = [http://www.asan.go.kr asan.go.kr]
| image_flag         = Flag of Asan.svg
<!-- time zone(s) -------------->| timezone1          = [[Korea Standard Time]]
| utc_offset1        = +9
| timezone1_DST      = 
| utc_offset1_DST    = 
}}
'''Asan''' ({{Korean|hangul=아산}}; {{IPA|ko|a.san}}) is a [[Administrative divisions of South Korea|city]] in [[South Chungcheong Province]], South Korea. It borders the [[Seoul Capital Area]] to the north. Asan has a population of approximately 400,000.<ref>{{Cite web |title=아산시 통계시스템 (메인) |url=https://www.asan.go.kr/stat/main/ |access-date=2025-05-29 |website=www.asan.go.kr}}</ref>

Asan is known for its many hot springs and is a city of spas.

Asan has grown into the neighboring village, [[Onyang-dong]], which is also known for its hot springs.

==Climate==
Asan has a [[humid continental climate]] ([[Köppen climate classification|Köppen]]: ''Dwa''), but can be considered a borderline [[humid subtropical climate]] ([[Köppen climate classification|Köppen]]: ''Cwa'') using the [[Isotherm (contour line)|{{convert|-3|C}} isotherm]].
{{Weather box
| location = Asan (1995–2020 normals)
| metric first = Y
| single line = Y

| Jan high C = 2.6
| Feb high C = 5.2
| Mar high C = 11.5
| Apr high C = 18.3
| May high C = 24.1
| Jun high C = 27.8
| Jul high C = 29.8
| Aug high C = 30.8
| Sep high C = 26.5
| Oct high C = 20.5
| Nov high C = 12.6
| Dec high C = 4.8
| year high C = 17.9

| Jan mean C = -1.9
| Feb mean C = 0.2
| Mar mean C = 5.4
| Apr mean C = 11.7
| May mean C = 17.7
| Jun mean C = 22.0
| Jul mean C = 25.2
| Aug mean C = 26.0
| Sep mean C = 21.1
| Oct mean C = 14.5
| Nov mean C = 7.3
| Dec mean C = 0.3
| year mean C = 12.5

| Jan low C = -6.3
| Feb low C = -4.3
| Mar low C = 0.2
| Apr low C = 6.2
| May low C = 12.6
| Jun low C = 17.9
| Jul low C = 22.0
| Aug low C = 22.5
| Sep low C = 16.8
| Oct low C = 9.1
| Nov low C = 2.4
| Dec low C = -4.0
| year low C = 7.9

| precipitation colour = green
| Jan precipitation mm = 16.2
| Feb precipitation mm = 23.4
| Mar precipitation mm = 31.9
| Apr precipitation mm = 64.5
| May precipitation mm = 73.3
| Jun precipitation mm = 105.7
| Jul precipitation mm = 289.3
| Aug precipitation mm = 273.8
| Sep precipitation mm = 144.2
| Oct precipitation mm = 46.9
| Nov precipitation mm = 44.2
| Dec precipitation mm = 19.5
| year precipitation mm = 1132.9

| unit precipitation days = 0.1 mm
| Jan precipitation days = 4.6
| Feb precipitation days = 4.1
| Mar precipitation days = 5.3
| Apr precipitation days = 6.9
| May precipitation days = 6.3
| Jun precipitation days = 6.9
| Jul precipitation days = 12.7
| Aug precipitation days = 11.8
| Sep precipitation days = 7.9
| Oct precipitation days = 5.0
| Nov precipitation days = 8.1
| Dec precipitation days = 5.9

| source = [[Korea Meteorological Administration]]<ref name= KMA>
{{cite web
| archive-url = https://web.archive.org/web/20220129211110/https://data.kma.go.kr/resources/normals/pdf_data/korea_pdf_0106_v2.pdf
| archive-date = 29 January 2022
| url = https://data.kma.go.kr/resources/normals/pdf_data/korea_pdf_0106_v2.pdf
| title = Climatological Normals of Korea (1991 ~ 2020)
| publisher = Korea Meteorological Administration
| access-date = 7 June 2023
| language = ko}}</ref>
}}

==Transportation==
The city of Asan shares a station for the [[KTX]] high speed trains with the directly adjacent city of [[Cheonan]], which is thus named [[Cheonan-Asan Station]]. It takes about 30&nbsp;minutes to travel from Asan to Seoul by the KTX train. It can be reached within 2 hours from [[Incheon International Airport]] by car. [[Seoul Metropolitan Subway]] extended one of its lines to service Asan on 15 December 2008. Two major highways, the [[Gyeongbu Expressway|Seoul-Busan]] and [[Seohaean Expressway|West Coast expressways]], also pass through Asan.

==Economy==
It is the largest manufacturing base in Chungnam. [[Samsung Electronics|Samsung Electronics' semiconductor division Onyang Campus]], [[Samsung Display|Samsung Display's]] Asan Campus (formerly Tangjeong Campus) and Corning Precision Materials are located in Tangjeong, and in Inju-myeon, Hyundai's Asan Plant and the surrounding Inju Industrial Complex are active in automotive manufacturing.

Samsung Electronics and [[Hyundai Motor Company|Hyundai Motor]], as well as [[Hyundai Mobis]], [[KCC Corporation|KCC]], and Hanwha Group. In addition to the large factories, Asan is also home to many medium-sized companies, including Sindorico, HL Mando, Yusung Corporation, [[Nongshim]], and Dongseong Pharmaceuticals.

Agriculture is present, but its share has been declining over the years, and unlike its neighbours [[Cheonan]], [[Seosan]], [[Gongju]], it does not have a standout speciality. Rice is the most prolific speciality, with sweet potatoes, potatoes, soybeans, wheat, barley, corn, Chinese cabbage, cucumbers, tomatoes, tomatoes, green onions, pears, grapes, and apples, and radishes, carrots, ginseng, and leaf tobacco are also grown, but not as much as the previous ones.

The livestock industry is active due to the development of hilly terrain suitable for livestock farming, and as in other regions, there is a trend of increasing scale and professionalisation, with fewer small-scale livestock farmers but more animals.

In terms of fisheries, fishing and salt-making used to take place along the coast of Asan Bay, but after the construction of the Asan Bay Sea Wall and the Sapgyo Creek Sea Wall, fishing gradually declined and salt-making disappeared. Today, inland fishing is mainly based on Asan Lake, and eel farming is carried out in Sinchang-myeon and Seonjang-myeon.

==Companies with factories in Asan==
Companies like [[Hyundai Motor Company|Hyundai Motor]], [[Samsung LED|Samsung LCD]], and [[Samsung Electronics|Samsung Electronic]] have factories in Asan. A total of 14 industrial complexes are currently occupied by auto parts, electronic parts and other factories.

The [[Port of Pyeongtaek-Dangjin|Port of Pyeongtaek]], closest to the [[east China]] coast among Korean ports, is nearby.

== Places of interest in Asan ==
'''Blue Crystal Village''': The Mediterranean village is located in Tangjeong-myeon. This place, which was first a vineyard, was created as a new village with the construction of an industrial complex. The white walls and blue roofs of [[Santorini|Santorini, Greece]], are intact, and create exotic landscapes based on the architectural style of [[European architecture]].<ref>{{Cite web|script-title=ko:지중해마을|url=https://www.asan.go.kr/tour/develop/m_tour/?m_mode=view&pds_no=2019111514554932522&PageNo=1&sltOption=all&txtKeyword=지중해마을|url-status=live|access-date=2021-04-22|website=아산시 문화관광|language=ko|archive-url=https://web.archive.org/web/20210422075634/https://www.asan.go.kr/tour/develop/m_tour/?m_mode=view&pds_no=2019111514554932522&PageNo=1&sltOption=all&txtKeyword=%EC%A7%80%EC%A4%91%ED%95%B4%EB%A7%88%EC%9D%84 |archive-date=22 April 2021 }}</ref>

==Education==
Asan is the home of five universities.
* [[Hoseo University]]
* [[Asan Information and Technology Polytechnic College]]
* [[Seonam University]]
* [[Soonchunhyang University]]
* [[Sun Moon University]]

Domestic secondary schools:
* [[Onyang High School]]

International schools:
* Onyang Chinese Elementary School (溫陽華僑小學校/온양화교소학교)<ref>"[http://www.isi.go.kr/schoolInfo/SinfoView.do?schoolType=ST01&schoolId=77 溫陽華僑小學校]." International School Information, Government of South Korea. Retrieved on 30 March 2016. "58 Samdong-ro 28beon-gil, Asan-si, Chungcheongnam-do, 336–802, Korea"</ref>

==Sport==
[[File:Yi Sun-sin Stadium.JPG|thumb|[[Yi Sun-sin Stadium]]]]
Asan is home of [[Asan Woori Bank Woori Won]], a [[women's basketball]] team competing in the [[Women's Korean Basketball League]]. In 2016, the club was relocated from [[Chuncheon]] to Asan.<ref>{{Cite news|url=http://www.ggilbo.com/news/articleView.html?idxno=275490|title=wooribank basketball team move homeground to Asan|last=lee|first=jinhak|date=30 March 2016}}</ref> [[K League 2]] football club [[Asan Mugunghwa FC]] was based in the city from 2017 to 2019 before disbanding after the 2019 season. After the disbandment of Asan Mugunghwa, [[Chungnam Asan FC]] became the city's professional football club and plays in the K League 2.

==Modern history==
* In 1983, an alteration of townships (ri) and towns (myeon) was made.
* In 1986, [[Onyang-eup|Onyang eup]] (town) of Asan was separated and the independent city of Onyang was created.<ref>Provisional changes including Guri and 11 cities and counties and permission of modification naming Naju.(1985.12.28.) from [[Constitution of the Republic of Korea]]</ref>
* In 1995, the City of Onyang and Asan County were combined into the City of Asan.

==Notable people==
People born in Asan include:
*[[An Gyeong-ja]] (born 1950), volleyball player
*[[An Hye-jin]] (1998), volleyball player
*[[Bok Geo-il]] (born 1946), novelist and poet
*[[Seung-Hui Cho]] (1984–2007), perpetrator of the [[Virginia Tech shooting]]
*[[Queen Inseon]] (1619–1674), queen consort
*[[Jang Dong-min]] (born 1979), comedian
*[[Da Un Jung]] (born 1993), mixed martial artist
*[[Lee O-young]] (1934–2022), critic and novelist
*[[Lee So-young (volleyball)|Lee So-young]] (born 1994), volleyball player
*[[Lee Young-ja (comedian)|Lee Young-ja]] (born 1967), comedian and television presenter
*[[Jhoon Rhee]] (1932–2018), taekwondo master
*[[Ri Ki-yong]] (1896–1984), novelist
*[[Ryoo Seung-bum]] (born 1980), actor
*[[Shin Su-jong]] (born 1988), swimmer
*[[Yun Chi-ho]] (1864–1945), political activist
*[[Yun Chi-sung]] (1875–1936), imperial general and politician; cousin of Chi-ho
*[[Yun Chi-oh]] (1869–1950), educator and politician; brother of Chi-ho
*[[Yun Yeong-ryeol]] (1854–1939), politician and soldier
*[[Seo Woo]], actor
*[[Yi Sun-sin|Yi Sunsin]], The city is home to Hyeonchungsa, a shrine dedicated to Admiral Yi Sun-sin, and recognizes him as a prominent figure representing Asan. Each year, the city hosts the Great Admiral Yi Sun-sin Festival to honor his legacy.
*[[Ryoo Seung-wan]], A film director from South Korea.
*[[Yun Po-sun|Yoon Bo-Seon]], The 4th president of south Korea

==Twin towns – sister cities==
*{{flagdeco|MAS}} [[Petaling Jaya]], Malaysia<ref>{{cite web|url=http://www.sustainablepj2030.com/governance/articleDetails.php?cat=3&article=6|title=Sister City Programme|publisher=Sustainable Petaling Jaya 2030|access-date=21 December 2015|archive-url=https://web.archive.org/web/20151221012713/http://www.sustainablepj2030.com/governance/articleDetails.php?cat=3&article=6|archive-date=21 December 2015|url-status=dead}}</ref>
*{{flagdeco|US}} [[Lansing, Michigan|Lansing]], United States<ref name=SCI>{{cite web|title=Lansing, Michigan|url=http://www.sister-cities.org/interactive-map/Lansing,%20Michigan|work=[[Sister Cities International]]|access-date=26 April 2014|archive-url=https://web.archive.org/web/20140426201737/http://www.sister-cities.org/interactive-map/Lansing,%20Michigan|archive-date=26 April 2014|url-status=dead}}</ref>

==See also==
* [[List of cities in South Korea]]

==References==
{{reflist}}

==External links==
{{Wikivoyage|Asan}}
* [https://web.archive.org/web/20051206015053/http://www.asan.go.kr/ City government website]

{{South Chungcheong}}
{{Metropolitan cities of South Korea}} 
{{Most populous cities in South Korea}}

{{Authority control}}

[[Category:Asan| ]]
[[Category:Cities in South Chungcheong Province]]