This is a list of places in South Korea which have standing links to local communities in other countries. In most cases, the association, especially when formalised by local government, is known as "town twinning " (usually in Europe) or "sister cities " (usually in the rest of the world).
Map of South Korea
Bonghwa [4]
Boryeong [5]
Buan [6]
Bucheon [7]
Busan [8]
Auckland , New Zealand
Barcelona , Spain
Casablanca , Morocco
Cebu , Philippines
Chicago , United States
Dubai , United Arab Emirates
Fukuoka , Japan
Ho Chi Minh City , Vietnam
Istanbul , Turkey
Kaohsiung , Taiwan
Los Angeles , United States
Montreal , Canada
Mumbai , India
Phnom Penh , Cambodia
Rio de Janeiro , Brazil
Saint Petersburg , Russia
Shanghai , China
Shimonoseki , Japan
Surabaya , Indonesia
Thessaloniki , Greece
Tijuana , Mexico
Valparaíso , Chile
Victoria (state) , Australia
Vladivostok , Russia
Western Cape , South Africa
Yangon , Myanmar
Changwon [9]
Annapolis , United States
Da Nang , Vietnam
Guadalajara , Mexico
Himeji , Japan
Jacksonville , United States
Jersey City , United States
Kure , Japan
Ma'anshan , China
Mỹ Tho , Vietnam
Nantong , China
Shulan , China
Ussuriysk , Russia
Viña del Mar , Chile
Yamaguchi , Japan
Zapopan , Mexico
Cheonan [10]
Cheongdo [11]
Cheongju [12]
Cheorwon [13]
Chuncheon [14]
Chungju [15]
Daegu [16]
Almaty , Kazakhstan
Atlanta , United States
Chengdu , China
Da Nang , Vietnam
Hiroshima , Japan
Milan , Italy
Minas Gerais , Brazil
Ningbo , China
Plovdiv , Bulgaria
Qingdao , China
Saint Petersburg , Russia
Taipei , Taiwan
Daegu – Seo [17]
Daejeon [18]
Bình Dương , Vietnam
Brisbane , Australia
Calgary , Canada
Durban , South Africa
Guadalajara , Mexico
Montgomery County , United States
Nanjing , China
Novosibirsk , Russia
Ōda , Japan
Sapporo , Japan
Seattle , United States
Shenyang , China
Uppsala , Sweden
Daejeon – Jung [19]
Daejeon – Seo [20]
Daejeon – Yuseong [21]
Dangjin [22]
Donghae [23]
Icheon [40]
Iksan [41]
Incheon [42]
Alexandria , Egypt
Anchorage , United States
Banten , Indonesia
Burbank , United States
Chongqing , China
Haiphong , Vietnam
Honolulu , United States
Kitakyushu , Japan
Kobe , Japan
Kolkata , India
Manila , Philippines
Mérida , Mexico
Panama City , Panama
Philadelphia , United States
Phnom Penh , Cambodia
Shenyang , China
Tel Aviv , Israel
Ulaanbaatar , Mongolia
Veneto , Italy
Vladivostok , Russia
Yekaterinburg , Russia
Incheon – Gyeyang [43]
Paju [56]
Coquitlam , Canada
Cuenca , Spain
Eskişehir , Turkey
Hadano , Japan
Jinzhou , China
Mudanjiang , China
Rancagua , Chile
Sasebo , Japan
Stellenbosch , South Africa
Toowoomba , Australia
Pohang
Pyeongtaek [62]
Samcheok [64]
Akabira , Japan
Dongying , China
Jixi , China
Kanda , Japan
Korsakov , Russia
Kungur , Russia
Kurobe , Japan
Leesburg , United States
Mareeba , Australia
Wangqing , China
Sejong has no sister cities.[65]
Seogwipo [46] [66] [67]
Seongnam [68]
Seoul [69]
Ankara , Turkey
Astana , Kazakhstan
Athens , Greece
Bangkok , Thailand
Beijing , China
Bogotá , Colombia
Cairo , Egypt
Hanoi , Vietnam
Honolulu , United States
Jakarta , Indonesia
Mexico City , Mexico
Moscow , Russia
New South Wales , Australia
San Francisco , United States
São Paulo , Brazil
Taipei , Taiwan
Tashkent , Uzbekistan
Tokyo , Japan
Ulaanbaatar , Mongolia
Warsaw , Poland
Washington, D.C. , United States
Seoul – Dobong [70]
Seoul – Eunpyeong [71]
Seoul – Gangdong [72]
Seoul – Gangnam [73]
Seoul – Gangseo [75]
Seoul – Gwanak [76]
Seoul – Gwangjin [77]
Seoul – Jongno [78]
Seoul – Jungnang [79]
Seoul – Mapo [80]
Seoul – Seocho [81]
Seoul – Songpa [82]
Asunción , Paraguay
Chaoyang (Beijing) , China
Chingeltei (Ulaanbaatar) , Mongolia
Christchurch , New Zealand
Fairfax County , United States
Karaganda , Kazakhstan
Minhang (Shanghai) , China
Panyu (Guangzhou) , China
Steglitz-Zehlendorf (Berlin) , Germany
Tonghua , China
Seoul – Yangcheon [83]
Seoul – Yeongdeungpo [84]
Sinan [85]
Suncheon
Suwon [92]
Asahikawa , Japan
Bandung , Indonesia
Cluj-Napoca , Romania
Curitiba , Brazil
Fez , Morocco
Freiburg im Breisgau , Germany
Hải Dương , Vietnam
Jinan , China
Nizhny Novgorod , Russia
Siem Reap , Cambodia
Toluca , Mexico
Townsville , Australia
Yalova , Turkey
Uiwang [94]
Ulsan [95]
Burgas , Bulgaria
Changchun , China
Hagi , Japan
Houston , United States
Hualien , Taiwan
Khánh Hòa , Vietnam
Kocaeli , Turkey
Portland , United States
Santos , Brazil
Tomsk , Russia
Wuxi , China