What is the Narrowest Strait in the World?

By BYJU'S Exam Prep

Updated on: November 9th, 2023

The Narrowest Strait in the World is the Bosporus Strait, and it connects the Sea of Marmara and the Black Sea. One of the few straits, the Bosphorus, separates Turkey into two parts while also serving as a border between two continents. It has been significant in politics, business, and European history.

Narrowest Strait in the World

The line joining the lighthouses of Ahrkap Feneri and Kadıköy İnciburnu Feneri in the south and Rumeli Feneri and Anadolu Feneri in the north is regarded as the Bosporus’ boundaries.

  • Tatar Strait, also known as the Gulf of Tatar or Tatarsky Proliv in Russian, is a strait in the northwest Pacific Ocean that connects Sakhalin Island in the east with the Asian mainland and runs from the Sea of Japan in the south to the Sea of Okhotsk.
  • It measures 393 miles (632 km) in length, 4.5 to 213 miles (7 to 342 km) in width, and is typically shallow with depths of less than 700 feet (210 m).
  • In the strait where the Amur River enters from the north are the Russian ports of Aleksandrovsk-Sakhalinsky, Uglegorsk, Sovetskaya Gavan, and Lesogorsk.
  • Ice significantly limits port operations from mid-November to mid-May.
  • The Tatar Strait connects Sakhalin Island in the east with the Asian mainland.


What is the Narrowest Strait in the World?

The Bosporus Waterway is the narrowest strait in the world, and the Bosphorus Strait connects the Black Sea and the Sea of Marmara. Istanbul, in northwest Turkey, is home to the Bosphorus Strait, a natural strait and important waterway.

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