Seven seas of the world

Answer 1

the seven seas are

• the Red Sea
• the Mediterranean Sea
• the Persian Gulf
• the Black Sea
• the Adriatic Sea
• the Caspian Sea
• the Indian ocean

The above list is the medieval view of the seven seas, which is were the saying comes from.

Answer 2

The major oceans of the world are the Atlantic, the Pacific, the Indian, and Arctic Oceans. Sometimes the Antarctic Ocean is counted as a fifth major ocean.