Nippur was the ancient Mesopotamian city that served as the cult center of the god Enlil.
Nippur stood near the modern settlement of Afak in Iraq and was one of Sumer’s most important religious centers. Its principal sanctuary, the Ekur, was dedicated to Enlil, a major god associated with authority, wind, and the divine ordering of the world. Nippur’s religious importance often exceeded its direct political power.
Kings across Mesopotamia sought legitimacy through association with Enlil and his temple. Excavations at the site have produced temples, administrative documents, literary tablets, and school exercises spanning many centuries.
Nippur is distinct from Ur, which was strongly associated with the moon god Nanna, and Eridu, traditionally linked with Enki. Its prominence as Enlil’s city explains why Nippur appears frequently in Sumerian religious and royal texts.