Which ancient region is known as the 'land between the rivers'?

Egypt
Greece
Mesopotamia
China

Mesopotamia

The ancient region known as the 'land between the rivers' is Mesopotamia.

The ancient region known as the "land between the rivers" is Mesopotamia. To arrive at this answer, you may consider the following steps:

1. Recall the phrase or term "land between the rivers."
2. Identify the rivers that are most commonly associated with this term.
3. Determine which ancient region is located between these rivers.

In this case, the term "land between the rivers" refers to the region between the Tigris and Euphrates rivers. By considering these steps, you would find that Mesopotamia is the ancient region that corresponds to the given description.