Seoul, South Korea

Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated i
Article 103
of the 1948 constitution. According to the 2020 census, Seoul has a population of 9.9 million people, and forms the heart of the Seoul Capital Area with the surrounding Incheon metropolis and Gyeonggi province. Considered to be a global city and rated as an Alpha – City by Globalization and World Cities Research Network (GaWC), Seoul was the world's fourth largest metropolitan economy in 2014, following Tokyo, New York City and Los Angeles.

Seoul was rated Asia's most livable city with the second highest quality of life globally by Arcadis in 2015, with a GDP per capita (PPP) of around $40,000. With major technology hubs centered in Gangnam and Digital Media City, the Seoul Capital Area is home to the headquarters of 15 ''Fortune'' Global 500 companies, including Samsung, LG, and Hyundai. Ranked seventh in the Global Power City Index and Global Financial Centres Index, the metropolis exerts a major influence in global affairs as one of the five leading hosts of global conferences. Seoul has hosted the 1986 Asian Games, 1988 Summer Olympics, and the 2010 G20 Seoul summit.

Seoul was the capital of various Korean states, including Baekje, Joseon, the Korean Empire, Goryeo (as a secondary capital), and presently South Korea. It is strategically located along the Han River. Seoul's history stretches back over two thousand years, when it was founded in 18 BC by the people of Baekje, one of the Three Kingdoms of Korea. The city was later designated the capital of Korea under the Joseon dynasty. Seoul is surrounded by a mountainous and hilly landscape, with Bukhan Mountain located on the northern edge of the city. The Seoul Capital Area contains five UNESCO World Heritage Sites: Changdeok Palace, Hwaseong Fortress, Jongmyo Shrine, Namhansanseong and the Royal Tombs of the Joseon Dynasty. More recently, Seoul has been a major site of modern architectural construction – major modern landmarks include the N Seoul Tower, the 63 Building, the Lotte World Tower, the Dongdaemun Design Plaza, Lotte World, Trade Tower, COEX, IFC Seoul, and the Parc1. Seoul was named the 2010 World Design Capital. It is the birthplace of K-pop and the Korean wave, as it is the heart of Korean culture and massive medias, entertainment firms, and broadcasters.

Etymology

The city has been known in the past by the names Wiryeseong (, during the Baekje era), Hanyang (, during the Goryeo era), Hanseong (, during the Joseon era), and Keijō () or Gyeongseong () during Japanese rule.

During Japan's annexation of Korea, ''Hanseong'' () was renamed by the Imperial authorities to prevent confusion with the hanja '' (a transliteration of an ancient Korean word ''Han'' () meaning "great"), which also refers to Han people or the Han dynasty in Chinese and in Japanese is a term for "China".

After World War II and Korea's liberation, the city took its present name, which originated from the Korean word meaning "capital city", which is believed to have descended from an ancient word, ''Seorabeol'' (), which originally referred to Gyeongju, the capital of Silla. Ancient Gyeongju was also known in documents by the Chinese-style name ''Geumseong'' (, literally "Gold Castle or City" or "Metal Castle or City"), but it is unclear whether the native Korean-style name ''Seorabeol'' had the same meaning as ''Geumseong''.

Unlike most place names in Korea, "Seoul" has no corresponding hanja (Chinese characters used in the Korean language). On January 18, 2005, the Seoul government changed its official name in Chinese characters from the historic ''Hancheng'' () to ''Shou'er'' ().

History

Settlement of the Han River area, where present-day Seoul is located, began around 4000 BC.

Seoul is first recorded as Wiryeseong, the capital of Baekje (founded in 18 BC) in the northeastern area of modern Seoul. There are several city walls remaining in the area that date from this time. Pungnaptoseong, an earthen wall located southeast Seoul, is widely believed to have been at the main Wiryeseong site. As the Three Kingdoms competed for this strategic region, control passed from Baekje to Goguryeo in the 5th century, and from Goguryeo to Silla in the 6th century.

In the 11th century Goryeo, which succeeded Unified Silla, built a summer palace in Seoul, which was referred to as the "Southern Capital". It was only from this period that Seoul became a larger settlement. When Joseon replaced Goryeo, the capital was moved to Seoul (also known as Hanyang or Hanseong), where it remained until the fall of the dynasty. The Gyeongbok Palace, built in the 14th century, served as the royal residence until 1592. The other large palace, Changdeokgung, constructed in 1405, served as the main royal palace from 1611 to 1872. After Joseon changed its name to the Korean Empire in 1897, Hwangseong also designated Seoul.

Originally, the city was entirely surrounded by a massive circular stone wall to provide its citizens security from wild animals, thieves and attacks. The city has grown beyond those walls and although the wall no longer stands (except along Bugaksan Mountain (), north of the downtown area), the gates remain near the downtown district of Seoul, including most notably Sungnyemun (commonly known as Namdaemun) and Heunginjimun (commonly known as Dongdaemun). During the Joseon dynasty, the gates were opened and closed each day, accompanied by the ringing of large bells at the Bosingak belfry. In the late 19th century, after hundreds of years of isolation, Seoul opened its gates to foreigners and began to modernize. Seoul became the first city in East Asia to introduce electricity in the royal palace, built by the Edison Illuminating Company and a decade later Seoul also implemented electrical street lights.

Much of the development was due to trade with foreign countries like France and the United States. For example, the Seoul Electric Company, Seoul Electric Trolley Company, and Seoul Fresh Spring Water Company were all joint Korean–U.S. owned enterprises. In 1904, an American by the name of Angus Hamilton visited the city and said, "The streets of Seoul are magnificent, spacious, clean, admirably made and well-drained. The narrow, dirty lanes have been widened, gutters have been covered, roadways broadened. Seoul is within measurable distance of becoming the highest, most interesting and cleanest city in the East."

After the annexation treaty in 1910, Japan annexed Korea and renamed the city Gyeongseong ("Kyongsong" in Korean and "Keijo" in Japanese). Japanese technology was imported, the city walls were removed, some of the gates demolished. Roads became paved and Western-style buildings were constructed. The city was liberated by U.S. forces at the end of World War II.

In 1945, the city was officially named Seoul, and was designated as a special city in 1949.

During the Korean War, Seoul changed hands between the Soviet/Chinese-backed North Korean forces and the American-backed South Korean forces several times, leaving the city heavily damaged after the war. The capital was temporarily relocated to Busan. One estimate of the extensive damage states that after the war, at least 191,000 buildings, 55,000 houses, and 1,000 factories lay in ruins. In addition, a flood of refugees had entered Seoul during the war, swelling the population of the city and its metropolitan area to an estimated 1.5 million by 1955.

Following the war, Seoul began to focus on reconstruction and modernization. As South Korea's economy started to grow rapidly from the 1960s, urbanization also accelerated and workers began to move to Seoul and other larger cities. From the 1970s, the size of Seoul administrative area greatly expanded as it annexed a number of towns and villages from several surrounding counties.

Until 1972, Seoul was claimed by North Korea as its ''de jure'' capital, being specified as such in Article 103 of the 1948 North Korean constitution.

South Korea's 2019 population was estimated at 51.71 million, and according to the 2018 Population and Housing Census, 49.8% of the population resided in the Seoul metropolitan area. This was up by 0.7% from 49.1% in 2010, showing a distinct trend toward the concentration of the population in the capital. Seoul has become the economic, political and cultural hub of the country, with several Fortune Global 500 companies, including Samsung, SK Holdings, Hyundai, POSCO and LG Group headquartered there.

Seoul was the host city of the 1986 Asian Games and 1988 Summer Olympics as well as one of the venues of the 2002 FIFA World Cup.

On 29 October 2022, at least 153 people were crushed to death when a crowd surged in an alleyway during Halloween festivities in Seoul's Itaewon district. President Yoon declared a state of official national mourning.

File:경복궁 전경.jpg, Gyeongbokgung, the main royal palace during Joseon Dynasty.
File:창덕궁 전경 (2014) (cropped).jpg, Changdeok Palace, one of the five royal palaces during Joseon Dynasty.

Geography

Seoul is in the northwest of South Korea. Seoul proper comprises , with a radius of approximately , roughly bisected into northern and southern halves by the Han River. The Han River and its surrounding area played an important role in Korean history. The Three Kingdoms of Korea strove to take control of this land, where the river was used as a trade route to China (via the Yellow Sea). The river is no longer actively used for navigation, because its estuary is located at the borders of the two Koreas, with civilian entry barred. Historically, the city was during the Joseon dynasty bounded by the Seoul Fortress Wall, which stretched between the four main mountains in central Seoul: Bugaksan, Inwangsan, Naksan and Namsan. The city is bordered by eight mountains, as well as the more level lands of the Han River plain and western areas. Due to its geography and to economic development policies, Seoul is a very polycentric city. The area that was the old capital in the Joseon dynasty, and mostly comprises Jongno District and Jung District, constitutes the historical and political center of the city. However, for example, the city's financial capital is widely considered to be in Yeouido, while its economic capital is Gangnam District.

Climate

Seoul has a humid continental climate influenced by the monsoons (Köppen: ''Dwa''). Being in the extreme East Asia, the climate can be described as humid subtropical (''Cwa'', by -3 °C isotherm) with great variation in temperature and precipitation throughout the year. The suburbs of Seoul are generally cooler than the center of Seoul because of the urban heat island effect. Summers are hot and humid, with the East Asian monsoon taking place from June until September. August, the hottest month, has average high and low temperatures of with higher temperatures possible. Heat index values can surpass at the height of summer.
Winters are usually cold to freezing with average January high and low temperatures of , and are generally much drier than summers, with an average of 24.9 days of snow annually. Sometimes, temperatures drop dramatically to below , and on some occasions as low as in the mid winter period of January and February. Temperatures below have been recorded.

Air quality

Air pollution is a major issue in Seoul.Hu, Elise
"Korea's Air Is Dirty, But It's Not All Close-Neighbor China's Fault"
. NPR. 3 June 2016. Retrieved 8 April 2017. According to the 2016 World Health Organization Global Urban Ambient Air Pollution Database,Global Urban Ambient Air Pollution Database.
World Health Organization. May 2016. Retrieved 8 April 2017. the annual average PM2.5 concentration in 2014 was , which is 2.4 times higher than that recommended by the WHO Air Quality GuidelinesWHO Air Quality Guidelines.
World Health Organization. September 2016. Retrieved 8 April 2017. for the annual mean PM2.5. The Seoul Metropolitan Government monitors and publicly shares real-time air quality data.

Since the early 1960s, the Ministry of Environment has implemented a range of policies and air pollutant standards to improve and manage air quality for its people. The "Special Act on the Improvement of Air Quality in the Seoul Metropolitan Area" was passed in December 2003. Its 1st Seoul Metropolitan Air Quality Improvement Plan (2005–2014) focused on improving the concentrations of PM10 and nitrogen dioxide by reducing emissions. As a result, the annual average PM10 concentrations decreased from 70.0 μg/m³ in 2001 to 44.4 μg/m³ in 2011 and 46 μg/m³ in 2014. As of 2014, the annual average PM10 concentration was still at least twice than that recommended by the WHO Air Quality Guidelines. The 2nd Seoul Metropolitan Air Quality Improvement Plan (2015–2024) added PM2.5 and ozone to its list of managed pollutants.

Asian dust, emissions from Seoul and in general from the rest of South Korea, as well as emissions from China, all contribute to Seoul's air quality. A partnership between researchers in South Korea and the United States is conducting an international air quality field study in Korea (KORUS-AQ) to determine how much each source contributes.

Besides air quality, greenhouse gas emissions represent hot issues in South Korea since the country is among top-10 strongest emitters in the world. Seoul is the strongest hotspot of greenhouse gas emissions in the country and according to satellite data, the persistent carbon dioxide anomaly over the city is one of the strongest in the world.

Government

Administrative districts

Seoul is divided into 25 gu () (district). The ''gu'' vary greatly in area (from ) and population (from fewer than 140,000 to 630,000). Songpa has the most people, while Seocho has the largest area. The government of each gu handles many of the functions that are handled by city governments in other jurisdictions. Each ''gu'' is divided into "'' dong''" () or neighborhoods. Some gu have only a few dong while others like Jongno District have a very large number of distinct neighborhoods. Gu of Seoul consist of 423 administrative dongs () in total. ''Dong'' are also sub-divided into 13,787 ''tong'' (), which are further divided into 102,796 ''ban'' in total.

Demographics

Seoul proper is noted for its population density, which is almost twice that of New York City and eight times greater than Rome. Its metropolitan area was the most densely populated among OECD countries in Asia in 2012, and second worldwide after that of Paris. As of 2015, the population was 9.86 million, in 2012, it was 10.44 million. As of 2021, the population is 9.59 million.

As of the end of June 2011, 10.29 million Republic of Korea citizens lived in the city. This was a 0.24% decrease from the end of 2010. The population of Seoul has been dropping since the early 1990s, the reasons being the high costs of living, urban sprawling to Gyeonggi region's satellite bed cities and an aging population.

As of 2016, the number of foreigners living in Seoul was 404,037, 22.9% of the total foreign population in South Korea. As of June 2011, 186,631 foreigners were Chinese citizens of Korean ancestry. This was an 8.84% increase from the end of 2010 and a 12.85% increase from June 2010. The next largest group was Chinese citizens who are not of Korean ethnicity; 29,901 of them resided in Seoul. The next highest group consisted of the 9,999 United States citizens who were not of Korean ancestry. The next highest group were Taiwanese citizens, at 8,717.

The two major religions in Seoul are Christianity and Buddhism. Other religions include Muism (indigenous religion) and Confucianism. Seoul is home to one of the world's largest Christian congregations, Yoido Full Gospel Church, which has around 830,000 members. According to the 2015 census, 10.8% of the population follows Buddhism and 35% follows Christianity (24.3% Protestantism and 10.7% Catholicism). 53.6% of the population is irreligious.

Seoul is home to the world's largest modern university founded by a Buddhist Order, Dongguk University. Native Seoulites tend to speak the Gyeonggi dialect of Korean.

Economy

Seoul is the business and financial hub of South Korea. Although it accounts for only 0.6 percent of the nation's land area, 48.3 percent of South Korea's bank deposits were held in Seoul in 2003, and the city generated 23 percent of the country's GDP overall in 2012. In 2008 the Worldwide Centers of Commerce Index ranked Seoul No.9. The Global Financial Centres Index in 2015 listed Seoul as the 6th financially most competitive city in the world. The Economist Intelligence Unit ranked Seoul 15th in the list of "Overall 2025 City Competitiveness" regarding future competitiveness of cities.

Manufacturing

The traditional, labor-intensive manufacturing industries have been continuously replaced by information technology, electronics and assembly-type of industries; however, food and beverage production, as well as printing and publishing remained among the core industries. Major manufacturers are headquartered in the city, including Samsung, LG, Hyundai, Kia and SK. Notable food and beverage companies include Jinro, whose soju is the most sold alcoholic drink in the world, beating out Smirnoff vodka; top selling beer producers Hite (merged with Jinro) and Oriental Brewery. It also hosts food giants like Seoul Dairy Cooperative, Nongshim Group, Ottogi, CJ, Orion, Maeil Holdings, Namyang Dairy Products and Lotte.

Finance

Seoul hosts large concentration of headquarters of International companies and banks, including 15 companies on Fortune 500 list such as Samsung, LG and Hyundai. Most bank headquarters and the Korea Exchange are located in Yeouido (Yeoui island), which is often called "South Korea's Wall Street" and has been serving as the financial center of the city since the 1980s. The Seoul international finance center & SIFC MALL, Hanhwa 63 building, the Hanhwa insurance company head office. Hanhwa is one of the three largest South Korean insurance companies, along with Samsung Life and Gangnam & Kyobo life insurance group.

Commerce

The largest wholesale and retail market in South Korea, the Dongdaemun Market is a shopping and entertainment area in downtown Seoul with mid- to high-end stores, fashion boutiques and international brand outlets. The nearby Namdaemun Market, named after the Namdaemun Gate, is the oldest continually running market in Seoul.

Insadong is the cultural art market of Seoul, where traditional and modern Korean artworks, such as paintings, sculptures and calligraphy are sold. Hwanghak-dong Flea Market and Janganpyeong Antique Market also offer antique products. Some shops for local designers have opened in Samcheong-dong, where numerous small art galleries are located. While Itaewon had catered mainly to foreign tourists and American soldiers based in the city, Koreans now comprise the majority of visitors to the area. The Gangnam district is one of the most affluent areas in Seoul and is noted for the fashionable and upscale Apgujeong-dong and Cheongdam-dong areas and the COEX Mall. Wholesale markets include Noryangjin Fisheries Wholesale Market and Garak Market.

The Yongsan Electronics Market is the largest electronics market in Asia. Electronics markets are Gangbyeon station metro line 2 Techno mart, ENTER6 MALL & Shindorim station Technomart mall complex.

Times Square is one of Seoul's largest shopping malls featuring the CGV Starium, the world's largest permanent 35 mm cinema screen.

Korea World Trade Center Complex, which comprises COEX mall, congress center, 3 Inter-continental hotels, Business tower (Asem tower), Residence hotel, Casino and City airport terminal was established in 1988 in time for the Seoul Olympics. The 2nd World trade trade center is being planned at Seoul Olympic stadium complex as MICE HUB by Seoul city. Ex-Kepco head office building was purchased by Hyundai motor group with 9billion USD to build 115-storey Hyundai GBC & hotel complex until 2021. Now ex-kepco 25-storey building is under demolition.

Technology

Seoul has been described as the world's "most wired city", ranked first in technology readiness by PwC's ''Cities of Opportunity'' report. Seoul has a very technologically advanced infrastructure.

Seoul is among the world leaders in Internet connectivity, being the capital of South Korea, which has the world's highest fiber-optic broadband penetration and highest global average internet speeds of 26.1 Mbit/s. Since 2015, Seoul has provided free Wi-Fi access in outdoor spaces through a 47.7 billion won ($44 million) project with Internet access at 10,430 parks, streets and other public places. Internet speeds in some apartment buildings reach up to 52.5Gbit/s with assistance from Nokia, and though the average standard consists of 100 Mbit/s services, providers nationwide are rapidly rolling out 1Gbit/s connections at the equivalent of US$20 per month. In addition, the city is served by the KTX high-speed rail and the Seoul Subway, which provides 4G LTE, WiFi and DMB inside subway cars. 5G will be introduced commercially in March 2019 in Seoul.

Architecture

The traditional heart of Seoul is the old Joseon dynasty city, now the downtown area, where most palaces, government offices, corporate headquarters, hotels, and traditional markets are located. Cheonggyecheon, a stream that runs from west to east through the valley before emptying into the Han River, was for many years covered with concrete, but was recently restored by an urban revival project in 2005. Jongno street, meaning "Bell Street", has been a principal street and one of the earliest commercial streets of the city, on which one can find Bosingak, a pavilion containing a large bell. The bell signaled the different times of the day and controlled the four major gates to the city. North of downtown is Bukhan Mountain, and to the south is the smaller Namsan. Further south are the old suburbs, Yongsan District and Mapo District. Across the Han River are the newer and wealthier areas of Gangnam District, Seocho District and surrounding neighborhoods.

Historical architecture

Seoul has many historical and cultural landmarks. In Amsa-dong, Amsa-dong Prehistoric Settlement Site, Gangdong District, neolithic remains were excavated and accidentally discovered by a flood in 1925.

Urban and civil planning was a key concept when Seoul was first designed to serve as a capital in the late 14th century. The Joseon dynasty built the "Five Grand Palaces" in Seoul – Changdeokgung, Changgyeonggung, Deoksugung, Gyeongbokgung and Gyeonghuigung – all of which are located in Jongno District, Jongno and Jung District, Seoul, Jung Districts. Among them, Changdeokgung was added to the UNESCO World Heritage List in 1997 as an "outstanding example of Far Eastern palace architecture and garden design". The main palace, Gyeongbokgung, underwent a large-scale restoration project. The palaces are considered exemplary architecture of the Joseon period. Beside the palaces, Unhyeongung is known for being the royal residence of Regent Daewongun, the father of Emperor Gojong at the end of the Joseon Dynasty.

Seoul has been surrounded by walls that were built to regulate visitors from other regions and protect the city in case of an invasion. Pungnap Toseong is a flat earthen wall built at the edge of the Han River, which is widely believed to be the site of Wiryeseong. Mongchontoseong, Mongchon Toseong () is another earthen wall built during the Baekje period that is now located inside the Olympic Park, Seoul, Olympic Park. The Fortress Wall of Seoul, Fortress Wall of Seoul was built early in the Joseon dynasty for protection of the city. After many centuries of destruction and rebuilding, about of the wall remains, as well as six of the original The Eight Gates of Seoul, eight gates. These gates include Sungnyemun and Heunginjimun, commonly known as Namdaemun (South Great Gate) and Dongdaemun (East Great Gate). Namdaemun was the oldest wooden gate until a 2008 arson attack, and was re-opened after complete restoration in 2013. Located near the gates are the traditional markets and largest shopping center, Namdaemun Market and Dongdaemun Market

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