Gangseo-gu 강서구, 江西區 District
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Gangseo District, Seoul - Wikipedia, the free encyclopediaGangseo District (Gangseo-gu) is one of the 25 wards (gu) of Seoul, South Korea. It is located on the south side of the Han River. Gimpo Airport is in Gonghang-dong, where many flights fly to cities like Busan, Jeju, and Gwangju.