Umma was an ancient city in Sumer

Sumer

Sumer was a civilization and historical region in southern Mesopotamia, modern Iraq during the Chalcolithic and Early Bronze Age....

. Note that there is some scholarly debate
about the Sumerian and Akkadian names for this site.

In the early Sumerian text Inanna's descent to the netherworld,
Inanna

Inanna

Inanna, also spelled Inana is the Sumerian goddess of sexual love, fertility, and warfare....

 dissuades demons from the netherworld from taking Shara

Shara (god)

In Sumerian mythology Shara is a minor god of war, mainly identified with the city of Umma, north-east of Unug . He is identified in some texts as the son of Inana .-References:...

, patron of Umma, who was living in squalor. They eventually take Dumuzid

Dumuzid

Dumuzid can refer to:*Dumuzid the Shepherd, an antediluvian king according to Sumerian mythology;*Dumuzid the Fisherman, a king of the 1st Dynasty of Uruk named on the Sumerian king list;...

 king of Uruk

Uruk

Uruk was an ancient city of Sumer and later Babylonia, situated east of the present bed of the Euphrates river, on the ancient dry former channel of the Euphrates River, some 30 km east of modern As-Samawah, Al-Muthannā, Iraq.Uruk gave its name to the Uruk...

 instead, who lived in palatial opulence.

Best known for its long frontier conflict with Lagash

Lagash

Lagash is located northwest of the junction of the Euphrates and Tigris rivers and east of Uruk, about east of the modern town of Ash Shatrah. Lagash was one of the oldest cities of the Ancient Near East...

,

the city reached its zenith ca.