No. It's located on what is either called "the Bosporus" or "the Istanbul Strait". It is both the same thing, Istanbul Strait being a name less used. The city located there was of course called Constantinople only until 1453. Since then it has been called Istanbul.
Bosporus strait.
Bosporus strait
Constantinople lay on the European side of strait called the Bosporus.
The name is bosporus
The Bosporus Strait, the Black Sea, and the Sea of Marmara surround Constantinople or Istanbul.
Istanbul is the largest city in Turkey and dates to ancient times as Constantinople. It lies on the Bosporus Strait that connects the Sea of Marmara to the Black Sea.
Bosporus.....
Istanbul is located on the Bosporus Strait.
Bosporus
the bosporus straights are in turkey
Constantinople is today known as Istanbul, and has been ever since the fall of the Ottoman Empire and the creation of Turkey (1922). It is located on both sides of the Bosporus Strait in Southeastern Europe.
It was able to control key trade routes between Europe and Asia.