1. Durand Line : Pakistan and Afghanistan.
2. Mc. Mohan Line : India(Arunachal Pradesh Region) and China.
3. Radcliff Line : India and Pakistan.
4. Line of Control : It divides Kashmir between India and Pakistan.
5. Hidden berg Line : Germany and Poland
6. Maginot Line : France and Germany
7. Older Neisse Line : Germany and Poland
8. Mannerheim Line : Russia and Finland border.
9. Siegfried Line : Germany and France.
10. 17th Parallel : North Vietnam and South Vietnam.
11. 24th Parallel : India and Pakistan.
12. 26th Parallel : Australia & South Africa.
13. 38th Parallel: North Korea and South Korea.
14. 49th Parallel : Canada and USA.
