 The Elamites were likely major rivals of neighboring Sumer from remotest antiquity; they were said to have been defeated by Enmebaragesi of Kish (c. 25th century BC), who is the earliest archaeologically attested Sumerian king, as well as by a later monarch, Eannatum I of Lagash.Awan was a city-state or possibly a region of Elam whose precise location is not certain, but it has been variously conjectured to be north of Susa, in south Luristan, close to Dezful, or Godin Tepe.According to the "Sumerian King List", a dynasty from Awan exerted hegemony in Sumer after defeating the First Dynasty of Ur, probably in the 25th century BCE.