Which modern countries include land once considered part of Mesopotamia?

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Mesopotamia, a historical region whose name means "between rivers" in Greek, refers to the land situated between the Tigris and Euphrates rivers.12

While the region is primarily associated with modern-day Iraq, its historical boundaries are broadly defined to include parts of several contemporary nations. These include:12

  • Iraq: The heart of the region, encompassing both the northern area known as Al-Jazīrah and the southern area historically called Babylonia.13
  • Syria: Eastern portions of the country are considered part of the broader Mesopotamian region.12
  • Turkey: Southeastern areas are included in the region's historical definition.12
  • Iran: Parts of the country, particularly areas adjacent to the region and the low-lying plain of the Kārūn River, have historically been closely related to or considered part of the Mesopotamian sphere of influence.132