Hamburg is a state in its own right.
because they were independent
Marathon was a city-state. and it's 24 miles.
if your talking about the Sumerian city-sates, then in the center was a ziggurat. This was a temple that was made of many square levels that kept getting smaller as you go up. At the top level, it...
a city is not divided from a country, but with a city-state, it's otherwise.