What is a city?
A city in France must have at least 2000 inhabitants according to the INSEE.
This definition is very different depending on the country where you live.
In Denmark, it is enough to have more than 250 inhabitants.
In Japan, the opposite is true: you need to have 30,000 inhabitants.
In the United States, since 1900, a city must have more than 2,500 agglomerated inhabitants.
In this same country, in the USA, we distinguish as follows:
In conclusion, the definition of a city can differ radically from one country to another. See the definition of city for INSEE.