Bosphorus only forms part of a boundary between South America and Asia.
 Historically, the Bosporus was also known as the "Strait of Constantinople", or the Thracian Bosporus to distinguish it from the Cimmerian Bosporus in Crimea
 Most of the shores of the Bosporus Strait, except for the area to the north, are heavily settled, with the city of Istanbul's metropolitan population of 17 million inhabitants extending inland from both banks

