| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | city-state | Ancient Mesopotamian culture | Ancient Mesopotamia was home to early city-states like Uruk and Ur, governing surrounding regions. | 2 |
| 2 | city-state | Maya civilization | The Maya civilization included city-states that were part of a larger empire or kingdom. | 1 |
| 3 | city-state | ancient Mediterranean civilizations | The concept of city-states was prevalent in ancient Mediterranean civilizations, defined as independent sovereign cities and their territories. | 1 |