Seongdong District

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Autonomous District
성동구 · 城東區
A view of Seongdong District
A view of Seongdong District
Location of Seongdong-gu in Seoul
Location of Seongdong-gu in Seoul
Country South Korea
Region Sudogwon
Special City Seoul
Administrative dong 20
 • Mayor Jeong Won-o (정원오)
 • Total 16.85 km2 (6.51 sq mi)
Population (2010[1])
 • Total 296,135
 • Density 18,000/km2 (46,000/sq mi)
Time zone Korea Standard Time (UTC+9)
Postal code 04700 ~ 04899
Area code(s) +82-2-2200,400
Website Seongdong-gu official website

Seongdong District (Seongdong-gu) is one of the 25 gu which make up the city of Seoul, South Korea. It is situated on the north bank of the Han River. It is divided into 20 dong (neighbourhoods).[2]

Administrative divisions[edit]

Administrative divisions

Seongdong District consists of 20 administrative dongs (haengjeong-dong, 행정동)




When Seoul was expanding outward on its size, many parts of Gyeonggi Province were merged to Seongdong District. However, due to its extraordinarily huge size, Seoul Metropolitan Government divided the district into 5(Gangnam District, Gangdong District, Gwangjin District, Seongdong District, and Songpa District)[1], and made Seongdong District cede some part of the district to Jung District. Yeongdeungpo District, Seodaemun District, Seongbuk District, and Dongdaemun District underwent similar changes.

Sister cities[edit]


  1. ^ This explains why Gangdong District Office is located in a corner of Gangdong District. The building was previously used as Seongdong District Office.

External links[edit]

Coordinates: 37°33′48″N 127°02′13″E / 37.56333°N 127.03694°E / 37.56333; 127.03694