sorry if it is wrong
Washington D.C.
Boston? The question is not very specific.
Washington DC
The capital of the United States is Washington D.C.
The answer to this question is Washington, D.C.Another way this question is probably stated is... I am a large city, but I am not in any state. I hold all fifty together. What is my name?
Washington, D.C. is a large city that is not a state but holds all 50 states together. Washington, D.C. is an area set off to itself, yet is the capital of all of the United States of America.
Alaska
My babe says Springfield
Boston is a city; it is the capital of the state of Massachusetts, one of the fifty states of the United States.
Washington D.C.!
The most popular city name in the United States is Greenville. Thirty-seven out of the fifty states have a Greenville.
Plymouth is a city in MA, a state. So, in a sense it is part of the 50 states, but not a state.