Question:

Which is the largest landlocked country in the world?

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Look for the biggest country with no direct access to the sea.
Updated On: Jul 14, 2026
  • Switzerland
  • China
  • Kazakhstan
  • Mongolia
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The Correct Option is C

Solution and Explanation

The question asks for the largest country in the world that has no coastline, meaning it is fully surrounded by land.

  1. Switzerland: This is a small landlocked country in Europe, but its area is tiny compared to the biggest landlocked nations, so it cannot be the answer.
  2. China: China has a long coastline along the Pacific Ocean, so it is not landlocked at all and gets ruled out right away.
  3. Kazakhstan: It covers about 2.7 million square kilometres in Central Asia and touches the landlocked Caspian Sea, but has no ocean coast, making it the largest landlocked country on Earth.
  4. Mongolia: Mongolia is also landlocked and large, but its area of about 1.6 million square kilometres is well below Kazakhstan's.

So option C is correct: Kazakhstan is the largest landlocked country in the world.

Let's summarize:

  • A landlocked country has no direct access to an open sea or ocean.
  • Kazakhstan is the biggest such country by area.
  • Mongolia comes next, well behind Kazakhstan in size.

This fact often appears in GK sets, so remember the size order: Kazakhstan first, then Mongolia.

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