Washington,DC (District of Columbia)
The abbreviation "DC" is postponed to "Washington" for two important resasons: [i] for locative indication of "District of Columbia"; and [ii] to distinguish Washington Sate of Washington City, the 42nd of the United Satate.
As far as i know DC is not a state. DC stands for District of Columbia
The state of Washington.
The abbreviation for Washington state in the United States is WA.
Washington dc is not a state.
Washington, DC
Washington DC
There were two weak tornadoes in the sate of Washington in 2010.
Washington - Baltimore Washington International, DC, USA (BWI) Washington - Washington - All Airports, DC, USA (WAS) Washington - Ronald Reagan National Airport, DC, USA (DCA) Washington - Washington Dulles, DC, USA (IAD)
there are no counties in Washington DC because Washington DC is a city itself.
Washington DC