Photo: Wikimedia Commons (CC BY-SA)
서울광장
Plaza · Jung-gu
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.
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Source: seoul.go.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 Citizens Hall
FreeCulture space · City Hall Stn. (Lines 1, 2), direct access from Exits 4, 5
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.
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.
Seoul City Hall Sky Plaza Gallery
FreeArt gallery · City Hall Stn. (Lines 1, 2)
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 Hall of Urbanism & Architecture
FreeMuseum · City Hall Stn. (Lines 1, 2)
Officially opened on 28 March 2019.
Gwanghwamun Square
FreeJongno-gu · Gwanghwamun Stn. (Line 5)
A downtown plaza with Gyeongbokgung Palace as its backdrop. In summer the ground fountains and water channels invite splashing. Shaded rest areas, drinking fountains and toilets on site.
Seoul Arts Center World Music Fountain
Partly freeSeocho-gu · Nambu Bus Terminal Stn. (Line 3)
A free music fountain on the plaza of the Seoul Arts Center. Evening shows against Umyeonsan, with an open-air cafe mood.
Cheonggye Plaza
FreeJung-gu · Gwanghwamun Stn. (Line 5) / Jonggak Stn. (Line 1)
The entrance plaza where Cheonggyecheon begins. The Spring sculpture, fountains and night lighting are the draw, and it anchors the winter Seoul Lantern Festival.
DDP Dongdaemun Design Plaza Lawn
FreeJung-gu · Dongdaemun History & Culture Park Stn. (Lines 2, 4, 5)
Zaha Hadid's curving architecture, an LED rose field and an open lawn. The lighting at night gives it a future-city feel, and Dongdaemun's night market is next door.
GTX Yeonsin 849 Plaza, formerly Mulbit Park
FreeEunpyeong-gu · Yeonsinnae Stn. (Lines 3, 6)
A new landmark plaza at Yeonsinnae Station, created by expanding and remodelling the ageing Mulbit Park in time for the opening of the GTX-A line. A mixed-use culture park with an outdoor stage, a media wall and seasonal gardens, it gives local residents a wide-open place to rest.