New York is often referred to as New York City (NYC)...
to distinguish it from the state of New York. It is also nicknamed 'Big Apple'. The city is the centre of the New York metropolitan area (one of the most populous areas in the world).
A street (& water !) tour of a few New York City's most famous places and tourist attractions :
New York strongly influences global commerce, finance, media, culture, art, fashion, research, education, and entertainment. It hosts the United Nations Headquarters and is therefore an important centre for international affairs.
Apple illustration by jacoon, under CC BY-SA license