Bosporus strait
The Bosporus is a narrow, 20-mile long strait connecting the Mediterranean and Sea of Marmara to the Black Sea.
The Strait of Bosporus links the Black Sea and the Sea of Marmara
The Bosporus Strait
The Bosporus Strait, the Sea of Marmara, and the Dardanelles Strait.
The Strait of Bosporus connects the Black Sea to its north with the Sea of Marmara to its south.
Bosporus
Bosporus
Bosporus strait
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The Bosporus Strait, the Black Sea, and the Sea of Marmara surround Constantinople or Istanbul.
The Dardanelles Straight connects the Sea of Marmara to the Eagean Sea and the Bosphorous Straight connects it to the Black Sea
This is the Marmara Sea.