Susiana (

Old Persian Old Persian is one of two directly attested Old Iranian languages (the other being Avestan) and is the ancestor of Middle Persian (the language of the Sasanian Empire). Like other Old Iranian languages, it was known to its native speakers as (I ...

: Zâzâna) or Zazana, Zazannu was an ancient Mesopotamian city or town located by the

Euphrates The Euphrates ( ; see #Etymology, below) is the longest and one of the most historically important rivers of West Asia. Tigris–Euphrates river system, Together with the Tigris, it is one of the two defining rivers of Mesopotamia (). Originati ...

river.

References

Populated places on the Euphrates River {{MEast-hist-stub