What are the seven seas?
You’ve heard the expression “the seven seas”. But what are these seven seas?
In Medieval European literature, “the seven seas” referred to the following seas:
* the Persian Gulf
* the Black Sea
* the Caspian Sea
* the Red Sea, including the closed Dead Sea and the Sea of Galilee
* the Mediterranean Sea, including its marginal seas, notably the Aegean Sea.
* the Adriatic Sea
* the Arabian Sea (which is part of the Indian Ocean)
For a variety of other explanations, see here.