Yes. It meets the definition of a civilization. They had their own language, culture, cities, kings, religions, agriculture, etc.
Sumer
sumer, an ancient civilization, could work with metals and stone
Ancient Sumer
The first civilization of Greece was the Minoan Civilization located on the island of Crete.
Sumer was the southernmost region of ancient Mesopotamia (modern-day Iraq and Kuwait) which is generally considered the cradle of civilization. The land between the two rivers was and is fertile and it was this agrarian activity that provided the food and time for civilization to flourish.
Sumer fell to Babylonia in 1700 BCE. Sumer was an ancient civilization located in the southern region of the Mesopotamia area.
the Ancient Mesopotamian civilization of Sumer
Sumer
The earliest civilization in the world was Sumer which goes as far back as 4,900 BC. The Sumer lived in Mesopotamia in an area of present day Iraq.
Sumer is an ancient civilization in Mesopotamia. It is the worlds first civilization. Mesopotamian means "The land between the rivers." The two rivers are the Tigris and Euphrates. Sumer is where the two rivers converge (converge means to come together).
Most scholars designate around 3500-3100 BCE as the beginning of the first true civilization in Sumer. This period marks the emergence of city-states, writing systems (such as cuneiform), advanced architectural developments like ziggurats, and complex societal structures in the region.
Sumer was the first human civilization.