sydney
newyork
delhi
karachi
Toronto, Ontario
New York City is the largest city in the United States. (Population wise, area wise it is Los Angeles) But Albany is the capital for New York.
Tokyo,japan 2000 sq.km
The related link I will make blow answers this question.
Bridgeport is the largest city in Connecticut by land area, covering approximately 19 square miles.
goa is the smallest and rajasthan is the largest state area wise.
the smallest state area wise is Goa and the largest state area wise is Rajasthan
North America, Mexico City has the largest population but I'm not sure about area wise
The largest city in Pakistan, population wise is Karachi