Not exactly. The convention in identifying a city in the United States is to name the city, followed by the name of the state it is in. Thus, you have “Portland, Maine,” and “Portland, Oregon”. read more
When people are speaking or writing about New York (the city) and need to distinguish it from New York (the state), it is common to say “New York City,” although the official name is the City of New York. “NYC” is a commonly used but informal abbreviation for New York City. read more