Sumerians: A History From Beginning to End

by Henry Freeman

While the cities of Ur and Uruk are considered the first Sumerian city-states, there were twelve separate city-states altogether: Kish, Erech (Uruk), Ur, Sippar, Akshak, Larak, Nippur, Adab, Umma, Lagash, Bad-tibira, and Larsa.