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Ⅰ. 연 혁
In 1936, Japan expanded the district of Gyeongseong-bu, so Sungin-myeon of Goyang-gun was
transferred to Gyeongseong-bu. At this time, the name of Dong in Seoul changed to Jeong and
were divided and transferred to Dongdaemun-gu and Seongdong-gu. The 14 Jeongs that were
part of Dongdaemun-gu were Changsin, Sungin, Sinseol, Anam, Jongam, Donam, Yongdu, Jegi,
Cheongnyang, Hoegi, Imun, Hwigyeong, Jeonnong, and Dapsimni. In November of the following
year, Seongbuk-dong was transferred, making 15 Jeongs. On September 28, 1946,
Gyeongseongbu elevated its status to Seoul Special City, and on October 1 of the following year,
the Japanese names of the administrative districts Jeong, Tong, and Jeongmok changed to the
Korean names Dong, Ro, and Ga. On August 13, 1949, Seongbuk-gu was newly established,
reducing the district of Dongdaemun-gu.
History Up to the Present
In April 1955, according to the Seoul Special City Ordinance, the Dongje System was implemented;
according to the Local Government Act, the administrative district was revised into 21 districts.
In 1936, the district of Seoul was expanded; many areas in Gyeonggi-do were transferred to Seoul.
As this time, Sangbong-ri, Junghwa-ri, Mukdong-ri, Sinnae-ri, and Mangu-ri in Guri-myeon of
Yangju-gun in Gyeonggi-do were transferred to Dongdaemun-gu.
On October 1, 1975, the district of Seoul Special City changed: Changsin-dong, Sungin-dong
and part of Sinseol-dong in Dongdaemun-gu were transferred to Jongno-gu; Myeonmok-dong,
Yongdu-dong, and Dapsimni-dong were transferred to Seongdong-gu; and Bomun-dong and part
of Sinseol-dong were transferred to Seongbuk-gu. Junggok-dong, Neung-dong, and Gunja-dong
in Seongdong-gu were transferred to Dongdaemun-gu. However, consequentially, the number
of administrative districts of Dongdangmun-gu was reduced from 36 to 32.
On January 1, 1988, after the population exceeded 760,000, the administrative district of
Dongdaemun-gu was revised again. Myeonmok-dong, Sangbong-dong, Junghwa-dong,
Muk-dong, Mangu-dong, and Sinnae-dong in Dongdaemun-gu were transferred to Jungnang-gu,
which had been newly established. Today, Dongdaemun-gu consists of ten legal Dongs:
Sinseol-dong, Yongdu-dong, Jegi-dong, Jeonnong-dong, Dapsimni-dong, Jangan-dong,
Hoegi-dong, Cheongnyangni-dong, Hwigyeong-dong, and Imun-dong, Also 14 administrative
dongs are included in Dongdaemun-gu.
Located in the eastern part of Seoul, Dongdaemun-gu is adjacent to Jungnang-gu with
Jungnangcheon Stream as the border to the east; Seongbuk-gu and Jongno-gu to the west;
Seongdong-gu to the south, and Dobong-gu to the north.
