Mesopotamia



Mesopotamia was a land region on Earth between the rivers Tigris and Euphrates, on the continent of Asia, in an area once described as the Middle East, on Old Earth

The land was fertile, and rich in sedimentary soil, which was deposited by waters from the rivers and their tributaries; even though the surrounding area was typically arid, being the Arabian Desert.

Jowf, place if origin of the Bene Gesserit's ancestors was located in Mesopotamia as was Assyria, realm of Sennacherib the King who first destroyed it.Mesopotamia was also a possible birthplace to Harum, Leto Atreides II dominant Ego-memory, or he could have been egyptian.

Dune Encyclopedia
According to The Dune Encyclopedia Mesopotamia was the original home of the Bene Gesserat.