Untash-Napirisha was king of Elam (in present-day southwest Iran) during the Middle Elamite period, circa 1300 BCE.
He founded and built extensively a new city, Dur-Untash, 40 km SE of Susa, modern Chogha Zanbil.
[5] Although construction in this religious city complex abruptly ended after Untash-Napirisha's death, the site was not abandoned, but continued to be occupied until it was destroyed by the Assyrian king Ashurbanipal in 640 BC.
[6] He dedicated a statue of the god Immiriya in Chogha Zanbil to his father-in-law, the Babylonian Burnaburiash.
However, some scholars consider a different model for the synchronism between the Kassite dynasty in Babylon and the Elamite kings, and suggest that the mentioned Burna-buriash was a later prince, and that the reign of Untash-Napirisha could be dated c. 1275–1240 BC; see, for example The Berlin Letter, Middle Elamite Chronology and Sutruk-Nahhunte I's Genealogy.