A city-state is a city that has its own sovereignty. There were many important city-states in ancient Greece. Nowadays, cities may have differing degrees of self-governance. In order to be considered a city-state, a city must govern itself independently, by regulating its own taxes, or having independent representation at the United Nations.
Historical city states
Modern city states
Monaco-Ville and Monte Carlo are districts in Monaco, not separate towns or cities. The city boundary is the same as the country's boundary.
Singapore was independent before becoming part of the federal kingdom of Malaysia. It is now independent again.
City states in other countries
Germany has 16 Bundesländer and three of them are city-states; they are Berlin, Hamburg and Bremen. They do not have a Minister President (prime minister) like the other Bundesländer. Instead their head of government is called a Mayor in English.
Vienna is a federal state.
Spain has two small territories in north Africa. Spanish law calls them autonomous communities. They are
The British colony of Gibraltar is a city state
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