Explanation

• The Goldsmid Line marks the border between present-day Pakistan and Iran.
• It was established through the Goldsmid Commission in 1871–1872.
• The boundary was surveyed under Major-General Frederick John Goldsmid.
• It forms part of the Pakistan–Iran international border.

Last verified on 05-09-2026

Explanation

• The Durand Line was established as the official border between British India and Afghanistan.
• It was drawn in 1893.
• British representative: Sir Mortimer Durand
• Afghan ruler: Amir Abdur Rahman Khan
• It later became the international border between Pakistan and Afghanistan.
• Length: Around 2,640 km

Last verified on 09-06-2026

Explanation

• Boundary River: Amu Darya
• Border Length: Approximately 1,357 km
• River Length: About 2,540 km
• Historical Name: Oxus River
• Countries Along the Amu Darya: Afghanistan, Tajikistan, Uzbekistan, Turkmenistan

Last verified on 26-07-2026

Explanation

• Kazakhstan does not share a border with Afghanistan.

Additional information:

• Neighboring Countries (6): Pakistan, Iran, Turkmenistan, Uzbekistan, Tajikistan, China
• Longest Border: Pakistan (about 2,670 km)
• Shortest Border: China (about 76 km)
• Total Land Boundary: Approximately 5,529 km

Last verified on 26-07-2026

Explanation

• The Mantakka Pass is located on the boundary line between India and Myanmar.
• Indian side: State of Manipur
• Mountain range: Patkai range
• Purpose: Connects northeastern India with Myanmar

Last updated on 22-07-2026 by NA

Explanation

• Canada has the longest coastline in the world, measuring about 243,042 km.
• It borders the Atlantic, Pacific, and Arctic Oceans.

Additional information:

• Norway (100,915 km)
• Indonesia (54,716 km)
• Russia (37,653 km)
• United States (19,924 km)
• China (14,500 km)

• West Bengal has the smallest coastline.
• The new length of the coastline of Pakistan is 1058 km.

Last verified on 22-07-2026

Explanation

China shares international land borders with 14 sovereign states, the highest number in the world.

1. Russia
2. Mongolia
3. North Korea
4. Kazakhstan
5. Kyrgyzstan
6. Tajikistan
7. Afghanistan
8. Pakistan
9. India
10. Nepal
11. Bhutan
12. Myanmar
13. Laos
14. Vietnam

Additional information:

• Russia also shares land borders with 14 countries (or 12).
• Brazil has 10 neighboring countries.
• Germany has 9 neighboring countries.

Verified & Updated

Explanation

• The 49th Parallel is an important latitude line in North America.
• It forms most of the border between the USA and Canada.
• It was established through historical agreements between the two countries.
• It is one of the longest straight international borders in the world.
• It separates southern Canada from northern United States.

Last verified on 16-05-2026

Explanation

• The Strait of Hormuz is a narrow waterway
•  The countries located on the opposite side to Iran (the southern side) are:
• Oman: Specifically, the Musandam Governorate (an exclave).
• United Arab Emirates (UAE): A portion of the southwest peninsula.
• Link the Persian Gulf to the Gulf of Oman and the Arabian Sea.
• 33 km wide at its narrowest point.

Additional information:

• The Strait of Bosporus connects the Black Sea with the Sea of Marmara
• Start of Gibraltar connects the Atlantic Ocean to the Mediterranean Sea

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Last updated by NS on 01 MAY 2026

Explanation

• The McMahon Line is the boundary line between China and India in the eastern Himalayas.
• It was proposed in 1914 during the Shimla Convention between British India and Tibet.
• China does not officially recognize this border.
• The line mainly separates India’s Arunachal Pradesh from Tibet (China).

Additional information:

• Durand Line (1893) – Pakistan ↔ Afghanistan
• Radcliffe Line (1947) – India ↔ Pakistan
• Line of Control (LOC) – India ↔ Pakistan (Kashmir ceasefire line)
• 38th Parallel – North Korea ↔ South Korea

Last verified on 11-03-2026