GEOGRAPHY THROUGH MAPS

Bosporus

The Bosporus is the narrow natural strait through Istanbul connecting the Black Sea with the Sea of Marmara. It separates the European and Asian portions of the city and is part of the conventional boundary between Europe and Asia.

Fast Facts

  • Black Sea water lies to its north and Marmara to its south.
  • Both shores belong to Türkiye.
  • Eastern Thrace lies west and Anatolia east of the strait.
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Part of Visualize CSE, an interactive geography atlas for UPSC Civil Services (IAS) preparation.