The Bosphorus, which is popularly known as the strait of Istanbul is a natural strait that is located in the north-western part of Turkey.
This strait is internationally recognized as the narrowest strait used for navigation in the world and it forms part of the borders between Europe and Asia, thus it is one of the most important and significant straits in the world.
The straits connect the Black Sea with the Sea of Marmara.
Bosphorus Strait