Important Boundary Lines| Borders between Countries


Important Boundary Lines:  Boundary line is the land boundary which separates two countries. Many questions have been asked in various competitive exams in their General Knowledge Section. To improve your general knowledge we have compiled the List of Important Boundary Lines in the World. 


Important Boundary Lines


Boundary Line Name
Boundary Line Between Countries
17th Parallel
North Vietnam and South Vietnam before the two were united.
24th Parallel
India and Pakistan, not accepted by India.
26th Parallel South
Circle of latitude which crosses through Africa, Australia and South America.
30th Parallel North
Line of latitude that stands one-third of the way between the equator and the North Pole.
33rd Parallel North
Circle of latitude which cuts through the southern United States, parts of North Africa, parts of the Middle East, and China.
35th Parallel North
Boundary between the State of North Carolina and the State of Georgia
36th Parallel
Southernmost boundary of the State of Missouri with the State of Arkansas.
37th Parallel North
Southern boundary of the historic and extralegal Territory of Jefferson.
38th Parallel
North Korea and South Korea.
40th Parallel North
Original northern boundary of the British Colony of Maryland.
41st Parallel
Northern boundary of the State of Colorado with Nebraska
42nd Parallel North
Forms most of the New York – Pennsylvania Border.
43rd Parallel North
Forms most of the boundary between the State of Nebraska and the
45th Parallel North
Halfway point between the Equator and the North Pole.
45th Parallel
Boundary between Montana and Wyoming.
49th Parallel
United States of America and Canada.
Durand Line
Pakistan and Afghanistan
Hindenberg Line
Germany and Poland to which German retreated in 1917 during the First World War.
Line of Actual Control (LAC)
Effective Boundary between India and China
Line of Control (LoC)
Military control line between India and Pakistan
Maginot Line
France and Germany.
Mannerheim Line
Russia and Finland.
Mason-Dixon Line
Line of demarcation between four states in the United State.
Marginal Line
Line of fortification on the Russia-Finland border.
MacMahon Line
India and China drawn by Sir Henry McMahon, China does not approve it.
OderNeisse Line
Poland and East Germany.
Radcliffe Line
India and Pakistan drawn by Cyril Radcliffe in 1947.
Siegfrid Line
France and Germany.


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