According to the AP Style Guide, it is Washington, D.C.
The proper noun is spelled Washington (e.g. George Washington, Washington state, Washington, DC).
Washington DC is the name of a place, which means it is a proper noun.Proper nouns are the names of specific people (George Washington, Marie Antoinette), the names of specific places (Washington DC, Japan), or specific things (Oreo, Toyota Prius).
Washington STATE or Washington, DC? Sorry, had to ask.
So America could have a proper capital city.
Bus
Examples of common nouns for the proper noun 'Washington, DC' are:cityplacecapitalmetropolislocation
The current Washington DC Metro bus fare is 2.00 for a regular one-way trip.
The current fare for the Metro Bus in Washington, DC is 2.00 for a regular one-way trip.
Washington DC is 428 miles east of Indianapolis, Indiana.
Yes. Write to: The White House 1600 Pennsylvania Avenue NW Washington, DC 20500
Washington, DC
Washington DC