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| Metropolitan Municipality of Seoul | |
|---|---|
| Name | Seoul |
| Native name | 서울특별시 |
| Settlement type | Special City |
| Motto | "Creative Seoul" |
| Subdivision type | Country |
| Subdivision name | South Korea |
| Established title | Founded |
| Established date | 18 BCE (as Wiryeseong); 1394 (as Hanyang) |
| Area total km2 | 605.21 |
| Population total | ~9.5 million |
| Population as of | 2023 |
| Timezone | Korea Standard Time |
Metropolitan Municipality of Seoul Seoul is the capital and largest city of South Korea, situated on the Han River in the northwest of the Korean Peninsula. As a political, economic, cultural, and educational hub, Seoul hosts national institutions such as the Blue House (former executive office), the National Assembly of South Korea, and major corporations including Samsung, LG Corporation, and Hyundai Motor Company. The city has evolved from ancient capitals like Wiryeseong and Hanyang into a global metropolis linked to international nodes such as New York City, Tokyo, and Beijing.
Seoul's history traces to Wiman Joseon and the Three Kingdoms of Korea period with successor settlements like Baekje and Goguryeo, later becoming the capital of the Joseon dynasty when King Taejo established Hanyang in 1394. The city experienced colonial transformation under the Empire of Japan during the Japanese occupation of Korea, which reshaped infrastructure and industry before liberation in 1945 following the Surrender of Japan. Seoul was a central theatre during the Korean War—including the Battle of Seoul—after which reconstruction in the era of leaders such as Syngman Rhee and Park Chung-hee accelerated industrialization and urbanization. Democratic movements including the June Struggle and the Gwangju Uprising influenced national politics, while hosting global events like the 1988 Summer Olympics and the 2002 FIFA World Cup bolstered international profile.
Seoul lies within the Sudogwon region on the Han River basin, bordered by Gyeonggi Province and near Incheon. The city's topography includes mountains such as Bukhansan, Namsan, and Gwanaksan, while districts like Gangnam District and Jongno District occupy river-adjacent flats. Seoul has a Humid continental climate influenced by the East Asian monsoon, producing hot, humid summers and cold, dry winters; seasonal phenomena include yellow dust from Gobi Desert transport and typhoons affecting the Korea Strait and Yellow Sea coasts.
Seoul is administered as a special city with status equivalent to a province, led by a directly elected mayor and a municipal council; recent mayors have included figures associated with parties such as the Democratic Party of Korea and the People Power Party. Administrative divisions comprise 25 gu (districts) including Jongno-gu, Jung-gu, Seodaemun-gu, and Gangnam-gu, each with local offices and community councils. Seoul houses national bodies like the Constitutional Court of Korea, the Supreme Court of Korea (located in Seocho District), and diplomatic missions such as embassies to United States–South Korea relations and China–South Korea relations.
Seoul is the core of the Miracle on the Han River industrialization, hosting headquarters for chaebol such as Samsung Electronics, Hyundai, LG Electronics, SK Group, and Lotte Corporation. Major financial institutions include the Bank of Korea, the Korea Exchange with the KOSPI index, and global branches of Goldman Sachs, J.P. Morgan, and Deutsche Bank. Key economic sectors are information technology driven by firms like Naver Corporation and Kakao, cultural exports through SM Entertainment, YG Entertainment, and CJ ENM, and innovation clusters around Teheran-ro and Digital Media City. Seoul hosts trade fairs at COEX and financial services in Yeouido.
Seoul's population peaked and has undergone demographic shifts including aging and low birth rates mirroring national trends attributed to policy debates in the National Assembly and social change since the Korean Wave (Hallyu). The city is ethnically diverse with communities from China–South Korea relations origins, Southeast Asian migrant workers, and expatriates tied to United States Forces Korea and multinational corporations. Neighborhoods such as Itaewon and Gyeongnidan-gil reflect multicultural enclaves, while population policy intersects with housing issues involving the Korea Land and Housing Corporation and urban renewal projects like New Town (Seoul redevelopment).
Seoul's transport network includes the extensive Seoul Metropolitan Subway connecting to regional lines like the Gyeongui–Jungang Line and high-speed links via KTX to Busan and Daegu. Major road corridors include the Gangbyeon Expressway beside the Han River and arterial routes on Teheran-ro. Airports serving the city are Incheon International Airport—a global hub linked by AREX—and Gimpo International Airport for domestic and short-haul international flights. Urban infrastructure features the Cheonggyecheon restoration, flood control projects tied to Han River Flood Control Center, and smart city initiatives coordinated with institutions like Seoul Metropolitan Government and research from KAIST and Seoul National University.
Seoul is a center for K-pop industry businesses including SM Town, JYP Entertainment, and live venues in Hongdae and Gangnam. Cultural landmarks include Gyeongbokgung Palace, Changdeokgung, Bukchon Hanok Village, Namdaemun Market, and institutions like the National Museum of Korea and National Theater of Korea. Higher education is concentrated in universities such as Seoul National University, Korea University, Yonsei University, Hanyang University, and Sogang University, while research institutes include KIST and Institute for Basic Science. Festivals include the Seoul Lantern Festival and events hosted at Jamsil Sports Complex and Olympic Park.
Seoul maintains diplomatic and municipal ties with global cities including New York City, London, Tokyo, Beijing, Shanghai, Moscow, Paris, Berlin, São Paulo, Mexico City, and Sydney through sister city agreements and participation in networks like United Cities and Local Governments and C40 Cities Climate Leadership Group. These relationships foster cooperation in urban planning, climate initiatives, cultural exchange programs with institutions such as the Korean Cultural Center and economic partnerships promoted by KOTRA.