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Mainland Southeast Asia

Continental portion of Southeast Asia

Mainland Southeast Asia

Continental portion of Southeast Asia

FieldValue
titleMainland Southeast Asia
Indochinese Peninsula
Indochina
imageTopographic30deg N0E90.png
population243,201,036 (1 July 2019)
countries

Indochinese Peninsula Indochina

Mainland Southeast Asia (historically known as Indochina and the Indochinese Peninsula) is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west and the Pacific Ocean to the east. It includes the countries of Cambodia, Laos, Myanmar, Singapore, Thailand and Vietnam as well as Peninsular Malaysia.

The term Indochina (originally Indo-China) was coined in the early nineteenth century, emphasizing the historical cultural influence of Indian and Chinese civilizations on the region. The term was later adopted as the name of the colony of French Indochina (present-day Cambodia, Laos, and Vietnam). Today, the term "Mainland Southeast Asia" is more commonly used, in contrast to Maritime Southeast Asia for the island groups off the coast of the peninsula.

Terminology

1886 map of Indochina, from the [[Scottish Geographical Magazine

In Indian sources, the earliest name connected with Southeast Asia is . Another possible early name of mainland Southeast Asia was Suvarṇabhūmi ("land of gold"), a toponym, that appears in many ancient Indian literary sources and Buddhist texts, but which, along with Suvarṇadvīpa ("island" or "peninsula of gold"), are also thought to refer to insular Southeast Asia.

The origins of the name Indo-China are usually attributed jointly to the Danish-French geographer Conrad Malte-Brun, who referred to the area as indo-chinois in 1804, and the Scottish linguist John Leyden, who used the term Indo-Chinese to describe the area's inhabitants and their languages in 1808. Scholarly opinions at the time regarding China's and India's historical influence over the area were conflicting, and the term was itself controversial—Malte-Brun himself later argued against its use in a later edition of his Universal Geography, reasoning that it overemphasized Chinese influence, and suggested Chin-India instead. Nevertheless, Indo-China had already gained traction and soon supplanted alternative terms such as Further India and the Peninsula beyond the Ganges. Later, however, as the French established the colony of French Indochina (covering present-day Cambodia, Laos, and Vietnam), use of the term became more restricted to the French colony, and today the area is usually referred to as Mainland Southeast Asia.

Biogeography

In biogeography, the Indochinese bioregion is a major region in the Indomalayan realm, and also a phytogeographical floristic region in the Oriental Paleotropical Kingdom. It includes the native flora and fauna of all the countries above. The adjacent Malesian Region covers the Maritime Southeast Asian countries, and straddles the Indomalayan and Australasian realms.

Geography

Climate of Southeast Asia
[[Mekong River

The Indochinese Peninsula projects southward from the Asian continent proper. It contains several mountain ranges extending from the Tibetan Plateau in the north, interspersed with lowlands largely drained by three major river systems running in a north–south direction: the Irrawaddy (Myanmar), the Chao Phraya (in Thailand), and the Mekong (flowing through Northeastern Thailand, Laos, Cambodia and Vietnam). To the south it forms the Malay Peninsula, located on which are Southern Thailand and Peninsular Malaysia; the latter is variably considered part of Mainland Southeast Asia or separately as part of Maritime Southeast Asia. Most of it has a tropical climate except for subtropical places such as Northern Vietnam.

Political divisions

A political map of Southeast Asia

Sovereign states

StateArea
(km2)Population
(2025)Density
(/km2)HDI
(2021)Capital
title=East Asia/Southeast Asia :: Cambodia – The World Factbookurl=https://www.cia.gov/the-world-factbook/countries/cambodia/website=cia.govpublisher=Central Intelligence Agencyaccess-date=11 November 2019archive-date=10 June 2021archive-url=https://web.archive.org/web/20210610095311/https://www.cia.gov/the-world-factbook/countries/cambodia/url-status=live }}17,577,7600.593Phnom Penh
title=East Asia/Southeast Asia :: Laos – The World Factbookurl=https://www.cia.gov/the-world-factbook/countries/laos/website=cia.govpublisher=Central Intelligence Agencyaccess-date=11 November 2019archive-date=7 March 2021archive-url=https://web.archive.org/web/20210307193820/https://www.cia.gov/the-world-factbook/countries/laos/url-status=live }}7,647,0000.607Vientiane
author=Saw Swee Hockurl=https://books.google.com/books?id=e4Yp2QJNVWgCtitle=The Population of Peninsular Malaysiapublisher=Institute of Southeast Asian Studiesyear=2007isbn=978-981-230-427-8}} (peninsular portion only)27,111,506 (79.2% in peninsular portion)0.803Kuala Lumpur Kuala Lumpur*
title=East Asia/Southeast Asia :: Burma – The World Factbookpublisher=Central Intelligence Agencyurl=https://www.cia.gov/the-world-factbook/countries/burma/website=cia.govaccess-date=11 November 2019archive-date=1 December 2021archive-url=https://web.archive.org/web/20211201171209/https://www.cia.gov/the-world-factbook/countries/burma/url-status=live }}51,316,7560.585Nay Pyi Taw
title=East Asia/Southeast Asia :: Singapore – The World Factbookpublisher=Central Intelligence Agencyurl=https://www.cia.gov/the-world-factbook/countries/singapore/website=cia.govaccess-date=11 November 2019archive-date=20 March 2021archive-url=https://web.archive.org/web/20210320131051/https://www.cia.gov/the-world-factbook/countries/singaporeurl-status=live }}6,110,2000.939Singapore
title=East Asia/Southeast Asia :: Thailand – The World Factbookpublisher=Central Intelligence Agencyurl=https://www.cia.gov/the-world-factbook/countries/thailand/website=cia.govaccess-date=11 November 2019archive-date=10 June 2021archive-url=https://web.archive.org/web/20210610164345/https://www.cia.gov/the-world-factbook/countries/thailand/url-status=live }}65,859,6400.800Bangkok
title=East Asia/Southeast Asia :: Vietnam – The World Factbookpublisher=Central Intelligence Agencyurl=https://www.cia.gov/the-world-factbook/countries/vietnam/website=cia.govaccess-date=11 November 2019archive-date=10 June 2021archive-url=https://web.archive.org/web/20210610173010/https://www.cia.gov/the-world-factbook/countries/vietnam/url-status=live }}101,343,8000.703Hanoi

Putrajaya* Administrative centre in Putrajaya.

Culture

Mainland Southeast Asia contrasts with Maritime Southeast Asia, mainly through the division of largely land-based lifestyles in Indochina and the sea-based lifestyles of the Indonesian archipelago and Philippine archipelago, as well as the dividing line between the Austroasiatic, Tai–Kadai, and Sino-Tibetan languages (spoken in Mainland Southeast Asia) and the Austronesian languages (spoken in Maritime Southeast Asia). The languages of the mainland form the Mainland Southeast Asia linguistic area: although belonging to several independent language families, they have converged over the course of history and share a number of typological similarities.

The countries of mainland Southeast Asia received cultural influence from both India and China to varying degrees. Cambodia, Laos, Myanmar and Thailand are all influenced by Indian culture, only Vietnam is influenced by Chinese culture but still has minor influences from India, largely via the Champa civilization that Vietnam conquered during its southward expansion.

Overall, Mainland Southeast Asia is predominantly Buddhist with minority Muslim and Hindu populations.

References

References

  1. "Southeast Asia". Britannica.
  2. Wheatley, Paul. (1961). "The Golden Khersonese: Studies in the Historical Geography of the Malay Peninsula before A.D. 1500". [[w:University of Malaya.
  3. Kitiarsa, Pattana. (2010). "Missionary Intent and Monastic Networks: Thai Buddhism as a Transnational Religion". Sojourn: Journal of Social Issues in Southeast Asia.
  4. Sailendra Nath Sen. (1999). "Ancient Indian History and Civilization". New Age International.
  5. (2013). "Architecturalized Asia : mapping a continent through history". Hong Kong University Press.
  6. Malte-Brun, Conrad. (1827). "Universal Geography, Or, A Description of All the Parts of the World, on a New Plan, According to the Great Natural Divisions of the Globe: Improved by the Addition of the Most Recent Information, Derived from Various Sources : Accompanied with Analytical, Synoptical, and Elementary Tables, Volume 2". A. Finley.
  7. (2015). "The European Colonial Empires: 1815–1919". Routledge.
  8. (1995). "The golden peninsula : culture and adaptation in mainland Southeast Asia". University of Hawaii Press.
  9. "Biogeographic region – Fauna".
  10. "Vietnam Climate".
  11. (16 October 2025). "South-Eastern Asia Population (LIVE)". worldometer.
  12. "Human Development Report 2021/2022" (PDF). [[United Nations Development Programme]]. 8 September 2022. Retrieved 28 September 2022.
  13. "East Asia/Southeast Asia :: Cambodia – The World Factbook". Central Intelligence Agency.
  14. "East Asia/Southeast Asia :: Laos – The World Factbook". Central Intelligence Agency.
  15. Saw Swee Hock. (2007). "The Population of Peninsular Malaysia". Institute of Southeast Asian Studies.
  16. "FACT Sheet Malaysia: Rural Women in the Malaysian Economy". Food and Agriculture Organization for the United Nations.
  17. "East Asia/Southeast Asia :: Burma – The World Factbook". Central Intelligence Agency.
  18. "East Asia/Southeast Asia :: Singapore – The World Factbook". Central Intelligence Agency.
  19. "East Asia/Southeast Asia :: Thailand – The World Factbook". Central Intelligence Agency.
  20. "East Asia/Southeast Asia :: Vietnam – The World Factbook". Central Intelligence Agency.
  21. (1997). "The Houghton Mifflin Dictionary Of Geography". Houghton Mifflin Company.
  22. (2016-09-28). "Malaysia". Central Intelligence Agency.
  23. (2016-09-28). "Thailand". Central Intelligence Agency.
  24. (2016-09-28). "Myanmar". Central Intelligence Agency.
  25. (2016-09-28). "Cambodia". Central Intelligence Agency.
  26. (2016-09-28). "Vietnam". Central Intelligence Agency.
  27. (September 2008). "2008 Report on International Religious Freedom". U.S. Department of State, Bureau of Democracy, Human Rights, and Labor.
  28. SIDDIQUE, SHARON. (1981). "Some Aspects of Malay-Muslim Ethnicity in Peninsular Malaysia". Contemporary Southeast Asia.
  29. "The Minority Muslim Experience in Mainland Southeast Asia: A Different Path".
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