Final answer:
The ancient region that covers the lands of Sumer, Assyria, and Babylonia was called Mesopotamia.
Step-by-step explanation:
The Ancient Greek name for the ancient region that covers the lands of Sumer, Assyria, and Babylonia is Mesopotamia. Mesopotamia, meaning 'between two rivers', refers to the region located between the Tigris and Euphrates rivers in modern-day Iraq. It was a cradle of civilization and is known for its advancements in agriculture, architecture, writing, and law.
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