city state

Noun

A sovereign city, as in Ancient Greece, often part of a league of such cities.

Japanese Meaning

都市国家

The city state stood at the crossroads of rival empires, its council debating whether to join the maritime league.

その都市国家は対立する帝国の十字路に位置し、評議会は海上同盟に加入するかどうかを議論していた。

Sense（1）

A sovereign city, as in Ancient Greece, often part of a league of such cities.

Singapore is the world's most populous city state.

city states

（ plural ）