Bosphorus separates one place from another place.
The Bosporus Strait and the Dardanelles Strait at the opposite end of the Sea of Marmara are together known as the Turkish Straits
=== Present morphology ===The limits of the Bosporus are defined as the line connecting the lighthouses of Rumeli Feneri and Anadolu Feneri in the north, and between the Ahrkap Feneri and the Kadky nciburnu Feneri in the south ("Fener" is Turkish for lighthouse)

