History of Administration

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Information as of 21 Feb, 2017

Evolution of the administrative district

1945
8 gus and 268 dongs
1949
  • Seoul’s districts expanded to 268.353Km², representing a twofold increase in size since national independence in 1945.
  • With changes  in si and do districts and gu and gun names,and  locations, the jurisdiction zones come to encompass 45 ri-districts including Sungin-myeon, Dokdo-myeon, Eunpyeong-myeon, and Siheung-gun, and Dong-myeon of Goyang-si, Gyeonggido Province.
  • Seongbuk-gu was added to the eight districts, making nine in total.
1963
  • Seoul incorporates 5 gun and 84 ri districts
  • Area 595.50Km²
  • Population : 2.59 million.
1973
  • Gupabal-ri, Jingwannae-ri, Jingwanoe-ri of Goyang-gun, Gyeonggi-do are incorporated into Seoul
  • Area 605.33Km²
  • Gwanak-gu, Dobong-gu added (9→11 gu districts)
1975
Gangnam-gu (11→12 gu districts)
1977
Gangseo-gu (12→13 gu districts)
1979
Eunpyeong-gu and Gangdong-gu (13→15 gu districts)
1980
  • Guro-gu and  Dongjak-gu (15→17 gu districts)
  • Seoul’s population reaches 9.2 million
1988
Songpa-gu, Jungrang-gu, Nowon-gu, Seocho-gu and Yangcheon-gu (17→22 gu districts)
1995
Gangbuk-gu, Geumcheon-gu and Gwangjin-gu (22→25 gu districts)
Current Status
  • Area : 605.25㎢ (2015)
  • Population : 10,236 million people (2016)
  • District : 25 gus, 424 community centers
  • Organization : Mayor, 3 Vice-mayors, 1 office, 9 headquarters, 8 bureaus, 145 divisions, 3 authorities, 31 direct agencies and 44 affiliated offices