What Exactly Were the Seven Seas?

The term “Seven Seas” is a phrase that has captured imaginations for centuries, evoking images of distant lands, daring voyages, and maritime mystery. But what exactly were the “Seven Seas”? The answer depends on when—and where—you asked.

Origins in Antiquity

The phrase “Seven Seas” dates back to ancient times, with some of the earliest references appearing in Sumerian texts around 2300 BCE. In this early context, the “seven seas” likely referred to bodies of water surrounding Mesopotamia, or a symbolic representation of completeness and vastness rather than specific bodies of water.

Classical Antiquity and the Greeks

For ancient Greeks, the world was centered around the Mediterranean. They didn’t use the term “Seven Seas” as we know it, but they identified and named many regional bodies of water like the Aegean, Adriatic, and Ionian Seas. These names laid the foundation for later maritime nomenclature.

Medieval Arab and Persian Definitions

In medieval Arab and Persian literature, the Seven Seas referred to navigable waters in the Indian Ocean region. A 9th-century Arabic text might define them as:

1. The Persian Gulf
2. The Arabian Sea
3. The Bay of Bengal
4. The Strait of Malacca
5. The South China Sea
6. The Java Sea
7. The Red Sea

This definition was practical, reflecting major trade routes used by Arab sailors and merchants.

Medieval Europe

During the Middle Ages in Europe, the “Seven Seas” often described inland bodies of water or maritime regions close to home. Common references might include:

1. Adriatic Sea
2. Mediterranean Sea
3. Black Sea
4. Red Sea
5. Arabian Sea
6. Persian Gulf
7. Caspian Sea

Again, this list varied depending on the source and the perspective of the writer.

Age of Exploration

By the 15th and 16th centuries—the Age of Discovery—the phrase gained new meaning. With global exploration on the rise, Europeans began viewing the Seven Seas more expansively. One common version included:

1. Arctic Ocean
2. Atlantic Ocean
3. Indian Ocean
4. Pacific Ocean
5. Mediterranean Sea
6. Caribbean Sea
7. Gulf of Mexico

This reflected their expanding awareness of the world’s geography and oceans.

Modern Usage

Today, the term “Seven Seas” is often used poetically or symbolically to refer to all the world’s oceans. Technically, the modern seven seas are usually taken to be:

1. Arctic Ocean
2. North Atlantic Ocean
3. South Atlantic Ocean
4. North Pacific Ocean
5. South Pacific Ocean
6. Indian Ocean
7. Southern (or Antarctic) Ocean

This reflects the classification of Earth’s five oceans, with the Atlantic and Pacific split into northern and southern regions.

Conclusion

The “Seven Seas” is less a fixed list and more a reflection of how different civilizations viewed the world’s waters throughout history. Whether describing nearby rivers, great trade routes, or vast oceans, the term has always symbolized the spirit of exploration, adventure, and the unknown.