Important International Boundary Lines

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Here is the list of the all International boundaries and borders Name of the World  including Important border lines of India to neighboring countries.

It is a very important topic to learn about the  International Boundary Lines between various country names because many questions have been asked in the various competitive exams.

List of International boundaries and borders Name

Sl.No Boundary Lines States
1. Radcliffe Line India and Pakistan
2. LOC (Line of Control) India and Pakistan
3. McMahon Line China and India
4. LAC (Line of Actual Control) India and China
5. Durand Line Pakistan and Afghanistan
6. Blue Line Lebanon and Israel
7. Purple Line Israel and Syria
8. Green Line Israel – Syria, Egypt, Jordan & Lebanon
9. Mannerheim Line Russia and Finland
10. Curzon Line Russia and Polish Republic
11. Maginot Line (Built by France) France and Germany
12. Siegfried Line (Built by Germany) Germany and France
13. Hindenburg Line (1st World War) Germany and France
14. Oder-Neisse Line(2nd World War) Poland and Germany
15. 16th Parallel Namibia and Angola
16. 17th Parallel South Vietnam and North Vietnam
17. 20th Parallel Libya and Sudan
18. 22nd Parallel Egypt and Sudan
19. 25th Parallel Mauritania and Mali
20. 26th Parallel North Mauritania and Western Sahara
21. 31st Parallel Iran and Iraq
22. 38th Parallel South Korea and North Korea
23. 49th Parallel USA and Canada
24. 35th Parallel North

[In USA]

Tennessee and Mississippi
Tennessee and Alabama
Tennessee and Georgia
North Carolina and Georgia
25. 36th Parallel North

[In USA]

Missouri and Arkansas
26. 40th Parallel North

[In USA]

Nebraska and Kansas
27. 41st Parallel North

[In USA]

Wyoming and Utah border
Wyoming and Colorado
Nebraska and Colorado
28. 42nd Parallel North

[In USA]

New York and Pennsylvania
29. 43rd Parallel North

[In USA]

Nebraska and South Dakota
Important International Boundary and Border Lines
Important International Boundary Lines


Maginot Lines and Siegfried Line or Hindenburg Line
Maginot Lines and Siegfried Line or Hindenburg Line

A little Description about the International Boundaries

◘ Radcliffe Line
• The Radcliffe Line was the boundary demarcation line between the India and Pakistan (including East Pakistan or Bangladesh).
• It was named after its architect, Sir Cyril Radcliffe. • Sir Cyril Radcliffe is the joint chairman of the two boundary commissions.
• The demarcation line was published on 17 August 1947 upon the Partition of India.
• Today its western side serves as the Indo-Pakistan border.
• And the eastern side serves as the India-Bangladesh border.
• Length of the border between India and Pakistan is 3323Km.
• Length of the border between India and Bangladesh is 4096Km.

◘ LOC (Line of Control)
• The Line of Control (LoC) is a military control line between the Indian and Pakistan.
• Line of Control serves as the de facto border.
• It was established as part of the Simla Agreement at the end of the Indo-Pakistani War of 1971.
• The northernmost point of the Line of Control is known as NJ9842.
• To the south of the Line of Control lies the border between Pakistani Punjab and the Jammu province.

◘ McMahon Line
• The McMahon Line is the boundary between China and India.
• It was established as part of the 1914 Simla Convention.
• The line is named after Henry McMahon.
• Henry McMahon was the foreign secretary of British India and the chief British negotiator of the conference at Simla.

◘ LAC (Line of Actual Control)
• The Line of Actual Control (LAC) is a notional demarcation line between Indian and Chinna.
• The term is said to have been used by Zhou Enlai in a 1959 letter to Jawaharlal Nehru.
• The LAC is generally divided into three sectors.

◘ Durand Line
• The Durand Lineis the international land border between Afghanistan and Pakistan.
•Delimited by Sir Mortimer Durand with the agreement of the erstwhile Amir of Afghanistan in 1893.

◘ Mannerheim Line Russia and Finland
• It was a defensive fortification line on the Karelian Isthmus built by Finland against the Soviet Union.
• It was named after the Field Marshal Baron Carl Gustaf Emil Mannerheim.

◘ Maginot Line
• The Maginot Line. a french defense line built by France in the 1930s along the border of Germany.
• The Maginot Line named after the French Minister of War André Maginot.
• It was built by Paul Painleve.

◘ Hindenburg Line / Siegfried Line
• It was the last line of German defenses on the Western Front and France.
• Hindenburg Line built by Germany during the first World War.
• The Line built in the year 1916.
• It was named by the British for the German commander in chief, Paul von Hindenburg.
• The Hindenburg Line was known to the Germans as the Siegfried Line.

◘ Oder-Neisse Line
• The Oder–Neisse line is the international border between Germany and Poland.
• It runs mainly along the Oder and Lusatian Neisse rivers and meets the Baltic Sea.
• The Oder–Neisse line marked the border between East Germany and Poland from 1950 to 1990.
• After the revolutions of 1989, newly reunified Germany and Poland accepted the line as their border in the 1990 German–Polish Border Treaty.

◘ 17th Parallel
• 17th Parallel line, the provisional military demarcation line between South Vietnam and North Vietnam established by the Geneva Accords (1954).

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