서울시청 시민청
Culture space · Jung-gu
A public space in the basement of City Hall. Fully heated and air-conditioned, so it's a good escape from heat or cold, with a cafe, gallery and frequent free performances. Directly connected to City Hall Station.
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Source: seoulcitizenshall.kr

Seoul Metropolitan Library
FreeLibrary · City Hall Stn. (Lines 1, 2)
A landmark right in front of Seoul Plaza. Known for its stepped bookshelves and glass-walled plaza views, with a rooftop and cafe for a break.
Seoul City Hall Sky Observatory
FreeViewpoint · City Hall Stn. (Lines 1, 2)
A viewing space newly opened in 2026 in the new City Hall building. Downtown views stretching to Deoksugung Palace, Jeongdong and Gwanghwamun Square.
Gungisi Armory Site Exhibition Hall
FreeMuseum · City Hall Stn. (Lines 1, 2)
Displays 45 structural remains of the Joseon-era Gungisi military armory and modern buildings unearthed during construction of Seoul City Hall, along with some 143 related artifacts including the Joseon cannon Bullanggi Japo (Treasure No. 861-2).
Seoul City Hall Sky Plaza Gallery
FreeArt gallery · City Hall Stn. (Lines 1, 2)
Seoul Plaza
FreePlaza · City Hall Stn. (Lines 1, 2)
The lawn plaza in front of City Hall, host to many festivals and events, plus a winter ice rink. Little shade, so pair it with a walk along the Deoksugung stone wall road.
Seoul Hall of Urbanism & Architecture
FreeMuseum · City Hall Stn. (Lines 1, 2)
Officially opened on 28 March 2019.

Hyundai Card Music Library
Free if eligibleYongsan-gu · Hangangjin Stn. (Line 6)
A music library with some 10,000 vinyl records and rare albums. An Itaewon hotspot you can enjoy free with a card or just the DIVE app.

Culture Station Seoul 284
FreeJung-gu · Seoul Stn. (Lines 1, 4, Gyeongui-Jungang Line) Exit 2
A cultural complex in the restored old Seoul Station building. The Renaissance-style architecture is a sight in itself, with free special exhibitions year-round. In front of Seoul Station.
Oil Tank Culture Park
FreeMapo-gu · World Cup Stadium Stn. (Line 6) Exit 2
A cultural park converted from a former oil storage depot. Unusual walks between the giant tanks, free exhibitions and a lawn, with weekend markets and performances.
Youngpoong Bookstore Jongno
FreeJongno-gu · Jonggak Stn. (Line 1), direct access from Exit 4
A large bookstore directly connected to Jonggak Station. Easy to pair with a Cheonggyecheon walk, with plenty of seating to read out of the heat or cold.

Hyundai Motorstudio Seoul
FreeGangnam-gu · Apgujeong Rodeo Stn. (Suin-Bundang Line)
Hyundai and Genesis cars and design on display. Open until 21:00, but closed the first Monday of the month; parking costs extra.