The president
No. The city has it's own government but Congress has the ultimate authority.
The ultimate authority and law over Washington, DC is the Congress of the United States. However, since 1973, many of the major activities of law have been given to a governing council and mayor of the district.
Washington, DC
Washington DC
DC does have a mayor- Vincent Gray, and a council, but the federal government has supreme control over the city.
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
Washington DC
Yes, the headquaters are in Washington DC.
Washington DC was named by george washington.
On the mall in Washington, DC.