- HowStuffWorks.com. <https://history.howstuffworks.com/american-history/what-state-is-washington-dc-in.htm> 24 July 2024.
- See what it's like to live in Washington, D.C., DC. Explore reviews and statistics on crime, real estate, and cost of living.
- Washington, D.C., Amerika Birleşik Devletleri´nin başkentidir. D.C. kısaltmasının açılımı “District of Columbia” (Kolumbiya Bölgesi)´dir.
- Washington DC's guide to theater, restaurants, bars, movies, shopping, events, activities, things to do, music, clubs, dance & nightlife.
- Named: Washington, DC (District of Columbia) after George Washington and Christopher Columbus. Designed: by Pierre Charles L’Enfant.
- Traveling to Washington DC will transport you back in time, while simultaneously treating you to a modern experience that anyone will enjoy.
- downtown Washington, DC street map. Washington, D.C. is located along the Potomac River, between southern Maryland and northern Virginia.
- As per the census of 2014, Washington State has a population of 7,061,530, while Washington, DC, has a population of 9,443,180.
- Washington, D.C. Retrieved from https://www.thoughtco.com/washington-dc-geography-1435747 Briney, Amanda.
- Bu maddede Amerika Birleşik Devletlerinin başkenti Washington, DC anlatılmaktadır. ABD'nin eyaletlerinden Washington için bakınız: Washington.