Mumbai is a city itself, it is also the capital of the Maharashtra state and the most populous city of India, the second most populous in the world.
Well, it has excellent motorways so you can escape easily. But it is NZ's most populous city. And the World's most populous Polynesian city. And it has the sky tower.
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Oslo is the capital and most populous city of Norway.
Chicargo is the third most populous city in the USA
Yes it is Italy's most populous city.
Barcelona with a population of 1,615,448 as of 2011. Madrid being the first with a population of 3,265,038 as of 2011.
Nashville is a city in the United States. It is the capital city and the most populous city in Tennessee.
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Jacksonville is the most populous city in Florida.
No. Moscow is the fifth most populous city in the world, by city proper. It is, however, the largest city in Europe.