Gangseo-gu is one of 25 cities, counties and districts in Seoul. It has 20 neighborhoods (20 dong) and 547,960 registered residents (September 2026). The most populous neighborhood is Hwagok 1-dong with 49,574.
20neighborhoods
547,960residents
Landmark stamp: Heo Jun Museum
Dedicated to the esteemed royal physician, this specialized municipal museum displays historical Korean medical texts, herb gardens, and exhibits illustrating traditional remedies.
History
Built to honor royal physician Heo Jun and his landmark Donguibogam, this venue showcases the heritage of traditional medicine.
What to see
Exhibits recreate the Joseon royal pharmacy and display ancient medical instruments alongside authentic medicinal herb specimens.
Visitor tip
The rooftop medicinal herb garden lets visitors observe various medicinal plants flourishing across the changing seasons.
Food, festivals and stories of Gangseo-gu
Local food
Originating in Deungchon-dong, this spicy mushroom shabu-shabu noodle soup is famous nationwide for its beef, fragrant water dropwort, and fried rice.
Did you know?
Located in Gonghang-dong, Gimpo International Airport serves as a premier aviation hub connecting Seoul with major domestic and East Asian destinations.
Local story
Gayang-dong is the historic birthplace where Joseon royal physician Heo Jun compiled the Donguibogam, an internationally recognized masterpiece of Asian medicine.
Festivals
Every autumn, the Uiseong Heo Jun Festival takes place near Seoul Botanic Park, offering visitors hands-on traditional Korean medicine experiences.
Neighborhoods of Gangseo-gu (20)
Every neighborhood has its own stamp in Random Passport. Tap “Land here” to fly straight to one.
Yeomchang-dong염창동dong · 40,971 residents
Name: In the Joseon Dynasty, salt warehouses stood along the riverbank to store salt brought by boats from the western coast.
Photo spot: The observation deck atop Yeomchangsan offers a refreshing panoramic view where Anyangcheon Stream merges into the wide Hangang River.
Fun fact: Nestled against the western foot of Bongjesan Mountain, this peaceful neighborhood offers wooded trails where residents enjoy bird songs.
Photo spot: Walking along the Bongjesan Neighborhood Park trail lets visitors encounter vibrant wildflowers that bloom afresh with every passing season.
Photo spot: Walking along the Hangang riverside below Gayangdaegyo Bridge offers cool breezes and spectacular sunset views over the illuminated architecture.
Fun fact: Bordering the Hangang River directly, this area provides seamless access to scenic riverside cycling paths running through Seoul.
Fun fact: Hosting Gimpo International Airport, this historic gateway allows visitors to watch airplanes landing and taking off in dynamic succession.
Photo spot: The rooftop observatory of the National Aviation Museum provides fantastic vantage points to photograph active runways and ascending airplanes.
Food: Alleys near the airport are filled with time-honored restaurants that have long catered to air travelers and flight crews.
Photo spot: The striking red steel arches of Banghwadaegyo Bridge over Gangseo Hangang Park offer a stunning backdrop for night photography.
Fun fact: The Gangseo Wetland Ecological Park preserves flourishing river marshlands where visitors can observe diverse migratory birds and aquatic plants.
Local notes were drafted with the help of AI from public information. Population: Ministry of the Interior and Safety resident registration, September 2026. Spotted a mistake? Tell us.