Which Sumerian city gave us the earliest known written epic hero?

Uruk, the archeological site known today as Warka, was an ancient city in the Near East or West Asia, located east of the current bed of the Euphrates River, on an ancient, now-dried channel of the river in Muthanna Governorate, Iraq. The site lies 93 kilometers northwest of ancient Ur, 108 kilometers southeast of ancient Nippur, and 24 kilometers northwest of ancient Larsa.