Polis.
The city that used to be known as Leningrad is now known as St Petersburg. The city is located in Russia.
Council/manager
A catapult is used to hit the wall of a city or to fling anything inside a city.
Both "which city" and "what city" can be used to ask for the name of a specific city. "Which city" implies a selection from a defined set of options, while "what city" is a more general question without implying a set list of cities to choose from.
mexico city
No, but it used to be. The city has outgrown the island which used to define it, and now is a larger entity.
Mexico City
Istanbul, Capital city of Turkey
City motors are used for pumping water throughout the city. Without city motors, water would not flow to households. It's important to remember that city motors require maintenance to operate.
New York City
"Boom" is used to describe a sudden growth in the population of a city.
It is a city. It used to be called Bombay. It is the capital city of the Indian state of Maharashtra.