Sister and Friendship Cities

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Sister cities

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Sister cities Guide
No. City Nation Date of sisterhood agreement Area(㎢) Population
(1,000 people)
Features of city
1 Hagi Japan October 29, 1968 698 45
  • Cultural, tourism, and rural city
  • Advanced agriculture, fisheries and tourism
2 Hualian Taiwan June 19, 1981 29.4 105
  • One of the three airports of Taiwan
  • City of tourism and port
3 Portland U.S. November 20, 1987 376.5 653
  • International trading post
  • Center of economy, commerce and transportation of Oregon
4 Changchun China March 15, 1994 20,604 7,793
  • Advanced automobile-related industries
  • City of culture and economy
5 Kocaeli Turkey June 2, 2002 3,800 1,833
  • Port city
  • Hyundai Motor Company location
6 Santos Brazil June 3, 2002 217 418
  • Brazil’s largest port city
7 Khanh Hoa Vietnam June 20, 2002 5,197 1,213
  • Advanced tourism and fisheries
8 Tomsk Russia November 12, 2003 10,600 595
  • Logistics-centered port city
  • Science-centered city
9 Wuxi China September 27, 2013 4,627 4,930
  • Located in Yangtze River Delta
  • Industrial city
10 Houston U.S. November 19, 2021 1,625 2,320
  • Advanced energy and cutting-edge industries
  • NASA(Johnson Space Center) located
11 Burgas Bulgaria November 23, 2021 253 200
  • Second Largest port city of Bulgaria
  • Center of culture and tourism in Bulgaria

Friendship cities

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Friendship cities Guide
No. City Nation Date of sisterhood agreement Area(㎢) Population
(1,000 people)
Features of city
1 Yantai China November 8, 2001 13,746 6,502
  • Port city of Shandong
  • Advanced food, textile and machinery industries
2 Niigata Japan September 21, 2006 726.1 790
  • Eight international regular air service lines
  • Center of transportation of northern Japan
3 Qingdao China August 3, 2009 11,282 9,394
  • Eastern Shandong
  • Sub-provincial city of economy
4 Karagandy Kazakhstan April 22, 2010 398,800 1,350
  • Kazakhstan's largest province
  • Abundant underground resources including petroleum, natural gas, gold, glass, etc.
5 Kumamoto Japan April 26, 2010 389.5 740
  • Located in the southwest of Kumamoto Prefecture which is the center of Kyushu
  • Tourism city where Kumamoto Castle is located in
6 Basra Iraq October 5, 2011 19,070 2,150
  • Iraq’s second city and largest trade port
  • 85% of the total petroleum production of Iraq
7 Monte
video
Uruguay June 11, 2012 209 1,480
  • Capital city of Uruguay
  • "Small Paris" of South America
8 Moravian-Silesian Region Czech November 20, 2014 5,427 1,261
  • Hyundai Motor Company's plants location
9 Mandalay Myanmar May 2, 2016 163.84 1,726
  • Economic hub of northern Myanmar and the cultural center of Myanmar
10 Chennai India August 2, 2016 1,189 9,880
  • Location of Hyundai Motor Plant & India's 2nd largest port city
11 Henan China May 27, 2024 167,000 98,150
  • Hub of transportation and logistics in China
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