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Sister and Friendship Cities

Seoul began its sister city program in 1968 with Taipei, Taiwan. Since then, Seoul has signed agreements on the establishment of sister ties with 23 cities and friendly relationship with 48 cities around the world. The main purpose of the sister city program is to strengthen relations between Seoul and other international cities in an effort to establish global cooperation and promote cultural understanding. Listed below are general information and links to the official websites of Seoul’s sister cities and friendship cities. For more details on Seoul’s sister and friendship city program, please contact the International Cooperation Division of Seoul Metropolitan Government.

  • Address :Seoul City Hall, 110 Sejong-daero, Jung-gu, Seoul , Seoul, Korea 100-744
  • Tel  :+82.2.2133.5260
  • Fax :+82.2.2133.0704

Sister cities

Taiwan | Taipei
  • Date of Establishment of Ties : 1968. 3. 23

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Turkey | Ankara
  • Date of Establishment of Ties : 1971. 8. 23

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USA | Honolulu
  • Date of Establishment of Ties : 1976. 5. 18

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USA | San Fransisco
  • Date of Establishment of Ties : 1976. 5. 18

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Brazil  | San Paulo
  • Date of Establishment of Ties : 1977. 4. 20

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Colombia  | Bogota
  • Date of Establishment of Ties : 1982. 6. 14

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Indonesia  | Jakarta
  • Date of Establishment of Ties : 1984. 7. 25

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Japan  | Tokyo
  • Date of Establishment of Ties : 1988. 9. 3

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Russia  | Moscow
  • Date of Establishment of Ties : 1991. 7. 13

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Australia | New South Wales
  • Date of Establishment of Ties : 1991. 11. 8

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France  | Paris
  • Date of Establishment of Ties : 1991. 11. 12

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Mexico  | Mexico City
  • Date of Establishment of Ties : 1992. 10. 5

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China  | Beijing
  • Date of Establishment of Ties : 1993. 10. 23

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Mongolia  | Ulaanbaatar
  • Date of Establishment of Ties : 1995. 10. 6

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Vietnam  | Hanoi
  • Date of Establishment of Ties : 1996. 5. 1

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Poland  | Warsaw
  • Date of Establishment of Ties : 1996. 6. 20

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Egypt  | Cairo
  • Date of Establishment of Ties : 1997. 4. 27

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Italie | Rome
  • Date of Establishment of Ties : 2000. 3. 18

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Kazakhstan  | Astana
  • Date of Establishment of Ties : 2004. 11. 6

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USA  | Washington D.C.
  • Date of Establishment of Ties : 2006. 3. 13

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Greece  | Athens
  • Date of Establishment of Ties : 2006. 5. 15

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Thailand  | Bangkok
  • Date of Establishment of Ties : 2006. 6. 16

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Uzbekistan | Tashkent
  • Date of Establishment of Ties : 2010. 7. 2

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Friendship Cities

Canada  |  Ottawa
  • Date of Establishment of Ties : 1997. 1. 10

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Germany  |  Berlin
  • Date of Establishment of Ties : 1997. 4. 23

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Netherlands  |  Amsterdam
  • Date of Establishment of Ties : 1999. 3. 15

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Hungary  |  Budapest
  • Date of Establishment of Ties : 2005. 7. 14

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Turkey  |  Istanbul
  • Date of Establishment of Ties : 2005. 8. 24

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USA  |  Los Angeles
  • Date of Establishment of Ties : 2006. 10. 16

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Italy  |  Milan
  • Date of Establishment of Ties : 2007. 2. 1

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Belarus  |  Minsk
  • Date of Establishment of Ties : 2008. 7. 8

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China  |  Shijiazhuang
  • Date of Establishment of Ties : 2008. 7. 19

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China  |  Jiangsu
  • Date of Establishment of Ties : 2008. 7. 21

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China  |  canton
  • Date of Establishment of Ties : 2008. 7. 22

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China  |  Zhejiang
  • Date of Establishment of Ties : 2009. 4. 10

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China  |  Tianjin
  • Date of Establishment of Ties : 2009. 4. 12

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Ethiopia  |  Addis Ababa
  • Date of Establishment of Ties : 2010. 9. 29

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Japan  |  Hokkaido
  • Date of Establishment of Ties : 2010. 10. 15

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Mozambique  |  Maputo
  • Date of Establishment of Ties : 2011. 6. 13

Romania  |  Bucharest
  • Date of Establishment of Ties : 2012. 5. 9

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Argentina  |  Buenos Aires
  • Date of Establishment of Ties : 2012. 6. 25

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Spain |  Barcelona
  • Date of Establishment of Ties : 2012. 11. 13

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Brazil | Federal District of Brazil
  • Date of Establishment of Ties : 2014. 2. 27

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Denmark | Odense
  • Date of Establishment of Ties : 2014. 8. 11

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Denmark | Copenhagen
  • Date of Establishment of Ties : 2014. 8. 12

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USA | Houston
  • Date of Establishment of Ties : 2014. 10. 1

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China | Shanghai
  • Date of Establishment of Ties : 2014. 11. 4

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China | Sichuan
  • Date of Establishment of Ties : 2014. 11. 6

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Canada | Montreal
  • Date of Establishment of Ties : 2015. 4. 8

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South Africa | Tshwane
  • Date of Establishment of Ties : 2015. 4. 10

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Laos | Vientiane
  • Date of Establishment of Ties : 2015. 11. 5

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United Kingdom | London
  • Date of Establishment of Ties : 2015. 12. 4

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Sri Lanka | Colomobo
  • Date of Establishment of Ties : 2016. 6. 8

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New Zealand | Wellington
  • Date of Establishment of Ties : 2016. 7. 18

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Nepal | Kathmandu
  • Date of Establishment of Ties : 2016. 9. 26

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Indonesia | Bandung
  • Date of Establishment of Ties : 2016. 10. 7

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Vietnam | Ho Chi Minh City
  • Date of Establishment of Ties : 2016. 10. 31

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Belgium | Brussels
  • Date of Establishment of Ties : 2017. 6. 12

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Serbia | Belgrade
  • Date of Establishment of Ties : 2017. 8. 31

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Italy | Lombardy
  • Date of Establishment of Ties : 2017. 9. 11

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Iran | Tehran
  • Date of Establishment of Ties : 2017. 10. 18

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Panama | Panama City
  • Date of Establishment of Ties : 2017. 10. 19

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Oman | Muscat
  • Date of Establishment of Ties : 2017. 9. 11

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India | Delhi
  • Date of Establishment of Ties : 2018. 9. 14

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Uganda | Kampala
  • Date of Establishment of Ties : 2018. 9. 19

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Spain | Bilbao
  • Date of Establishment of Ties : 2018. 10. 2

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Swiss | Zürich
  • Date of Establishment of Ties : 2018. 10. 3

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Estonia | Tallinn
  • Date of Establishment of Ties : 2018. 10. 5

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Israel | Tel Aviv
  • Date of Establishment of Ties : 2019. 5. 6

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China | Chongqing
  • Date of Establishment of Ties : 2019. 5. 30

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Colombia | Medellin
  • Date of Establishment of Ties : 2019. 7. 12

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