|Area:||16.85 km2 (6.51 sq mi)|
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).
Seongdong-gu is accesible through one rail line and three subway lines.
- Jungang Section Line
- Seoul Line 2, Circle Line
- Seoul Line 2, Sinseol-dong Branch
- Seongsu ─ Yongdap ─ Sindap → (Dongdaemun-gu)
- Seoul Line 3
- Seoul Line 5