Far Madding is now an independent city-state and a major center of commerce.
The Vatican is an independent city-state, with its own jurisdiction and police force.
The United States broke up into three independent city-states.
Greece in pre-Roman times consisted of many independent city-states, each with its own laws.
By the end of the 10th century Sfax had become an independent city-state.
After this, Cuilapan returned to being an independent city-state, equal to a number of other important city states in the area.
Tusculum is first mentioned in history as an independent city-state with a king, a constitution and gods of its own.
Politically, it has a collection of largely independent city-states which are spread out across the continent but form no overarching political system.
A "return" to the old system of "independent" city-states perhaps.
It is perhaps an appropriate time to float the idea of a charter for Gaza as an independent city-state.