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South Korea (Republic of Korea): overview, history, economy and culture

A concise encyclopedic overview of South Korea: geography, people, history, economy, government and global cultural influence including K‑pop and technology.

South Korea, officially the Republic of Korea (대한민국, Daehan Minguk), occupies the southern portion of the Korean peninsula in northeast Asia. The country lies on the Asian mainland with a long coastline and many offshore islands. Its capital and largest city is Seoul, which together with surrounding cities forms one of the world’s most densely populated metropolitan areas. Korean is the national language, written most commonly in the Hangul alphabet; traditional Chinese characters (Hanja) are still used in limited contexts (Hanja).

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Geography and population

South Korea’s terrain is largely mountainous, with lowlands concentrated along the west and southeast coasts and river valleys. The country has four distinct seasons and a temperate climate influenced by maritime currents. A substantial share of the population lives in the Seoul metropolitan region, making it a major urban hub; this concentration shapes transportation, housing and regional planning. The nation is situated on the southern half of the peninsula often referenced in maps of East Asia and has close geographic and historical ties to neighboring states such as Japan and China.

History and political development

Human settlement on the peninsula dates back thousands of years, and several Korean dynasties contributed to a distinct culture and institutions. In the 20th century the peninsula underwent Japanese rule, liberation after World War II and the 1950–53 Korean War, which left the peninsula divided into North and South. Since the mid‑20th century South Korea transformed from an agrarian economy into an industrialized democratic state, a process often called the “Miracle on the Han.” The nation today is a constitutional republic with regular national elections and an active civil society.

Economy, industry and technology

South Korea is a major global economy noted for rapid industrialization, high levels of export orientation and strong investment in education and research. Key sectors include electronics and information technology, automotive manufacturing, shipbuilding and petrochemicals. South Korean companies and brands have a prominent international presence, and the country maintains advanced infrastructure in transport and communications. The economic rise has underpinned improvements in living standards and expanded cultural outreach.

Culture, arts and international influence

Contemporary Korean culture has become a significant global export, often termed the Korean Wave or Hallyu. Popular music acts and television dramas have broad international audiences; for example, bands such as BTS are widely recognized. Korean cinema, literature, cuisine and design also attract global interest. Cultural institutions, museums and festivals inside South Korea celebrate both traditional heritage and modern creativity.

Notable facts and civic life

  • Official English name: Republic of Korea; native name: 대한민국 (Daehan Minguk).
  • Capital and principal city: Seoul, a global metropolitan center often compared to other megacities such as Tokyo.
  • Political system: democratic republic with executive, legislative and judicial branches.
  • Modern milestones: rapid postwar industrialization, hosting of major events such as the 1988 Summer Olympics and international summits.

For more detailed maps, statistics and travel guidance, consult dedicated country profiles and authoritative sources. South Korea’s combination of historical depth, technological dynamism and cultural presence makes it a prominent actor in regional and global affairs, with continuing influence in economics, popular culture and diplomacy (peninsula context). Its relationships with neighbors such as other Northeast Asian nations and with partners in the West shape contemporary policy debates and international engagement (population and urbanization). Further reading on language reform, administrative divisions and social change can be found through national archives and academic resources (Hanja), trade publications (Japan relations) and cultural portals (regional overview). Additional context on the Korean peninsula’s strategic geography appears in travel and geopolitical summaries (peninsula) and in works comparing urban systems with centers like Tokyo and other large metropolitan regions (metro). The country’s modern cultural exports remain prominent, with music, film and television frequently cited in global media reports (K‑pop examples).

For official statistics, government publications and practical visitor information consult national and international resources accessible via libraries and online repositories (northeast Asia context) or specialized databases (Seoul resources).

State name

The official German state name is Republic of Korea; colloquially, however, one usually speaks of South Korea. In Korean, the country is officially called Daehan Minguk (대한민국, 大韓民國; Eng. "Republic of Greater Korea"). It is commonly called Hanguk (한국, 韓國, "Korea state") or Namhan (남한, 南韓, "South Korea") in its short form in South Korea, in distinction from Bukhan (북한, 北韓, "North Korea"). Since in North Korea "Korea" is not referred to as Han (한, 韓) but as Chosŏn (조선, 朝鮮), "South Korea" there is appropriately called Nam-Chosŏn (남조선, 南朝鮮).

The word Han (한, 韓) traces its origin to the historical empire Samhan (삼한, 三韓; "Three Koreas"), which was formed from the empires Mahan, Jinhan and Byeonhan and existed in the period from the first to the fourth century AD. This name was taken up again in the name of the empire Daehan Jeguk (Empire of Greater Korea) founded in 1897.

The name in Western languages has its origin in Cauly, as Marco Polo called the peninsula during his travels in the late 13th century. This is probably based on the Chinese pronunciation of the Korean kingdom Goryeo (Chinese Gāolì). In European records, both spellings Corea and Korea appeared until the 20th century. In English and German, the spelling with K eventually prevailed, in Romance languages the spelling with C.

Geography

South Korea's land area is 100,284 square kilometers. Of this, 290 square kilometers are water areas; there are no major natural lakes.

South Korea comprises the southern part of the Korean Peninsula and offshore islands. Near the west coast and in the southeast is flat land, but almost everywhere interspersed with hills, which constitutes at most one-third of the national territory, but is home to the great majority of the inhabitants. The great rest of the country is mountainous; except on a narrow strip on the east coast and in small valley bottoms there are no lowlands. Both the mountains and the hills of the plains are mostly wooded; though they seldom reach great heights, they often have a steep relief.

Mountains and mountain ranges

About 70% of South Korea is mountainous. The highest mountain is the volcano Hallasan with 1950 meters on Jeju Island, on the South Korean mainland are the highest Jirisan in the south with 1915 meters and the Seoraksan in the northeast with 1708 meters. South Korea is crisscrossed by five major mountains, the largest being the Taebaek Mountains. It begins in southeastern North Korea and then runs along almost the entire east coast of South Korea. The second largest mountain range, called Sobaek, branches off from Taebaek in a southwesterly direction; it runs through the center of the country. Smaller are the Gwangju, Charyeong and Noryang mountains. The main watershed running from North Korea across the Seoraksan to the Jirisan is called the Baekdudaegan (백두대간; 白頭大幹).

Rivers

Four major rivers run through South Korea. The longest of them is called Nakdonggang and has a length of 525 kilometers. It originates from the confluence of two headwaters in the Taebaek Mountains near the city of Taebaek and flows from there, unlike most rivers in the country, to the south and flows into the East Sea near Busan. The second longest river, at 497.5 kilometers, is the Hangang, whose northern branch rises in North Korea. Its southern branch also rises at Mount Taebaek. Both Han rivers join about 35 kilometres before Seoul, before they flow united through the middle of the capital and shortly afterwards flow into the Yellow Sea as a border river to North Korea. Other important rivers are the Geumgang (401 kilometers) and the Seomjingang (212 kilometers).

Coast and islands

South Korea abuts the sea on three sides:

  • In the east to the East Sea, internationally also called "Sea of Japan" (see also name dispute about the Sea of Japan),
  • in the south to the Korea Strait,
  • in the west to the Yellow Sea. The coastline is a total of 2413 kilometers long.

The coasts in the west and south have as Ria many bays and peninsulas, which are offshore about 4400 medium-sized and smaller islands. Of these, less than 500 are inhabited. The second largest mudflat in the world, called Saemangeum, is also located on the west coast. The east coast, which is poor in bays and steep in many places, has only a few and very small islands and rocks offshore.

The largest island by far is called Jejudo, which is located about 150 kilometers south of the southwest coast of the mainland, is 1845.6 square kilometers in size and forms the province of Jeju-do together with several small islands.

flora and fauna

About two thirds of the country is forested. The original mixed forests with oaks, maples, beeches, elms, poplars, spruces and aspens have given way to secondary forest in many places, as a great deal of forest has fallen victim to the need for firewood and slash-and-burn agriculture. At higher altitudes coniferous forest with spruces and larches follows. The flora of South Korea is considerably richer in species than that of Central Europe. The easily visible higher plants alone are represented with about 3400 species and subspecies in 880 genera. Thus Korea's plant palette ranges from alpine mountain pines and rhododendrons above the tree line in the northern mountains to subtropical bamboo, laurel and camellias on the warm southern coast and on Jejudo.

Large mammals such as tigers, leopards and bears were common throughout the Korean Peninsula; however, deforestation and poaching have virtually eliminated them from South Korea. Lynx and Bengal cats live in the forests, and there are seals on the coasts. Notable bird species include the mandarin duck, white-bellied black woodpecker, Manchurian crane and neck-ringed scops owl. About 3.9% of South Korea's land area is protected.

Climate

South Korea is located in the temperate climate zone, in which one distinguishes four different seasons. Exceptions are some subtropical valleys on the south coast of Jejudo and some high altitude regions above 1700 meters.

Spring usually starts between the end of March and the beginning of April and is mild and quite sunny. Winds then often carry fine yellow desert dust from the Gobi Desert to South Korea. In summer, southerly winds bring hot, humid air from the Philippines. The summer monsoon season, called jangma (장마) in South Korea, usually begins in late June or early July and lasts into September. Most of the annual precipitation falls during this period. Rain alternates with clear days. This is followed by a very hot midsummer, which is difficult to bear, especially because of the high humidity. The daily maximum temperature then often exceeds 30 °C, accompanied by a humidity of 80 to 95 %.

Autumn sets in mid-September, when the winds start blowing from the northwest again. The dry continental air provides plenty of sunshine, while the temperature slowly begins to drop. Winter in South Korea is very cold and dry. The winds from Siberia rarely bring snow. From January onwards, a special climate constellation provides a peculiar temperature pattern, with three cold days alternating with four somewhat milder ones.

Climate data

Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Season

Winter

Spring

Summer

Fall

Winter

Weather distinguishing features

cold

mild

warm

moderately

cold

dry

damp

dry

Snow

Hwangsa
(Smog/Dust)

clear

Rain

much rain/typhoon

clear

Snow

 

Year

Spring

Summer

Fall

Winter

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

T-mean (°C)

11,5

10,4

22,7

13,4

−0,5

−2,1

−0,3

4,6

10,9

15,9

20,0

23,6

24,4

19,6

13,7

6,9

0,8

T-Min (°C)

6,5

4,8

18,5

8,2

−5,5

−7,0

−5,2

−0,8

5,0

10,2

15,3

19,9

20,4

14,9

8,0

1,8

−4,2

T-Max (°C)

16,5

16,1

26,9

18,7

4,4

2,8

4,6

9,9

16,8

21,7

24,8

27,4

28,5

24,4

19,5

12,1

5,8

T-distance (°C)

10,0

11,3

8,4

10,4

9,8

9,8

9,7

10,6

11,7

11,5

9,5

7,5

8,1

9,5

11,4

10,4

9,9

Frost Days

114,2

26,0

0,7

17,1

70,5

25,5

21,9

18,0

6,7

1,3

0,4

0,2

0,2

0,4

3,6

13,1

23,0

Rainy days

119,6

28,1

39,8

26,0

25,6

8,8

8,6

9,1

9,7

9,3

11,6

15,2

13,1

10,0

7,3

8,7

8,2

Precipitation (mm)

1404

287

723

283

111

37

44

66

110

111

187

289

247

159

67

57

30

Air pressure (hPa - 1000)

11,9

9,0

22,2

12,1

4,2

3,7

4,2

5,7

8,8

12,5

17,9

24,1

24,5

17,7

11,3

7,2

4,6

Cloudiness (%)

52,9

51,8

66,9

49,9

43,2

42,2

47,5

49,7

52,1

53,6

66,2

71,8

62,7

59,4

45,2

45,0

40,0

Mean values for the years 1961-1990. Seasons denote a full quarter of each year (spring: March to May, summer: June to August, autumn: September to November, winter: December to February)
Note: The source of this data is no longer available, but statistical climate data from the Korean government from 2001 to 2017 is.

The average data of individual regions partly deviate significantly from those mentioned. In the northern and central regions, higher temperature differences over the year must be expected than in the southern coastal areas. On the east coast it is usually somewhat warmer than on the west coast, as the Taebaek Mountains prevent cold winds from Siberia from blowing in.

Natural phenomena

Unlike neighbouring Japan, South Korea is hardly affected by natural disasters. On average, only 20 earthquakes occur in South Korea each year. Of these, an average of 9.2 earthquakes per year are above the value of 3.0 on the Richter scale (corresponding to the "perception threshold" of an earthquake). In the long-term trend, however, the number of earthquakes has increased again since 1992. In 2006, a total of 50 earthquakes occurred, in 2007 a total of 42 and in 2008 a total of 46. In Japan, on the other hand, around 1200 earthquakes with intensities greater than 3.0 on the Richter scale are recorded each year. However, there are no active volcanoes in South Korea.

Typhoons can occur especially between late July and early September, but they usually lose their power before they reach South Korea. From March to May, the air is sometimes filled with fine yellow desert sand (kor. 황사 hwangsa), which blows in from China or Mongolia together with pollutants and settles over the country like a blanket of fog.

Environment

See also: Transnational pollution in East Asia

South Korea's rapid economic growth has led to numerous side effects on the environment. Emissions from industry and traffic create high air pollution and cause acid rain. Per capita, South Korea emits 9.5 tons of carbon dioxide annually (2002 estimate). South Korea had the ninth-highest CO2 emissions in 2015. South Korea is the world's second largest consumer of CFCs despite its relatively small population. Another major problem is water pollution from residential and industrial wastewater, as well as rapidly growing piles of garbage caused in part by wasteful packaging of consumer goods. The problem of transboundary pollution is being attempted to be solved by the South Korean Ministry of the Environment together with the relevant agencies of Japan and the People's Republic of China.

During the Asian crisis, it became apparent that the South Korean economy is very dependent on energy imports. South Korea has therefore set itself the goal of promoting renewable energies for the 21st century. The government program "Low Carbon, Green Growth" has been in place since 2008. It contains long-term strategies for the promotion of green environmental technologies. In January 2009, in the wake of the global economic crisis, a further green economic stimulus package worth 50 trillion won was launched. This was followed in July 2009 by a five-year green growth plan worth 107 trillion won, which also aims to promote sustainable economic activity. Overall, the programs are aimed at expanding renewable energies, revitalizing polluted rivers, creating an environmentally friendly transportation infrastructure and energy-saving measures. In addition, 1.8 million new jobs are to be created in the environmental sector.

Management structure

Main article: Administrative division of South Korea

South Korea is politically divided into a Special City at the highest sublevel:

Seoul,

into a special autonomous city:

Sejong,

into six independent major cities:

Busan, Daegu, Daejeon, Gwangju, Incheon and Ulsan

in eight provinces:

Chungcheongbuk-do, Chungcheongnam-do, Gangwon-do, Gyeonggi-do, Gyeongsangbuk-do, Gyeongsangnam-do, Jeollabuk-do and Jeollanam-do

as well as to a special autonomous province:

Jeju-do.

Cities

See also: List of cities in South Korea

The largest city, with 10,103,233 inhabitants, is the capital Seoul in the northwest. Together with the surrounding cities, it forms the Sudogwon metropolitan region, with about 25 million inhabitants the second largest metropolitan area in the world after Tokyo. In the extreme southeast of the peninsula lies South Korea's second largest city Busan (3,519,401 inhabitants); it has one of the world's busiest ports. It is followed by the port city of Incheon (2,902,608 inhabitants) on the west coast just outside Seoul, and Daegu in the southeastern interior with 2,493,264 inhabitants. The fifth largest city is the centrally located Daejeon with 1,531,809 inhabitants, and the sixth largest is Gwangju with 1,475,884 inhabitants in the southwest. Unlike the cities mentioned above, Suwon (1,174,228 inhabitants), Goyang (1,006,154 inhabitants) and Seongnam (974,608 inhabitants) are not politically equivalent to a province, but belong to the province of Gyeonggi-do. Like Incheon, they are so close to Seoul that they are now connected to its subway network. The eighth largest city is Ulsan, located on the southern part of the east coast, with 1,166,377 inhabitants.

Questions and answers

Q: Where is South Korea located?

A: South Korea is located in the southern part of the Korean peninsula, in the northeast region of Asia.

Q: What is the capital city of South Korea?

A: The capital city of South Korea is Seoul.

Q: What is the official name of South Korea?

A: The official name of South Korea is the Republic of Korea in English, 대한민국 (Daehan Minguk) in Korean writing (Hangeul), and 大韓民國 in Chinese characters (Hanja).

Q: Where do half of the country's people live?

A: Half of the country's people live in its capital city, Seoul, or near the city in the metropolitan area.

Q: Is Seoul metropolitan area one of the most populous metropolitan areas in the world?

A: Yes, Seoul metropolitan area is one of the most populous metropolitan areas in the world.

Q: Is South Korea considered a significant cultural power?

A: Yes, South Korea has become a significant cultural power in recent years, largely due to bands like BTS, Korean drama, as well as its economic miracle.

Q: What is the economic situation of South Korea?

A: South Korea's economic situation is considered a miracle, having experienced rapid industrialization, economic growth, and development over the years.

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