Information
Country: USA Washington DCContinent: North America
USA Washington DC, North America
Washington, D.C. (District of Columbia) is located in the Mid-Atlantic region of the U.S. East Coast, situated on the northern bank of the Potomac River. It is a federal district, not a state, bordered by Maryland to the north, east, and west, and Virginia to the south and west. The geography is characterized by low-lying terrain and significant river systems, including the Anacostia River and Rock Creek.
History & Culture
Founded in 1790 as the permanent seat of the U.S. federal government, the city was designed by Pierre Charles L'Enfant with a distinct grid of broad diagonal avenues. As the capital, it serves as the global center for diplomacy and American political history. Primary religious affiliations are Christianity (72%) and irreligious/secular (20%). Independence Day (July 4) is the primary national holiday. Social etiquette emphasizes professional formality in government corridors and a fast-paced urban lifestyle, with a standardized 18–25% tipping expectation.
Language & Communication
English is the official and universal language. Spanish is the most significant secondary language (approx. 9%), followed by Amharic and French, reflecting a high foreign-born population (22%). Over 168 languages are spoken within the metropolitan area.
Population & Economy
The population is approximately 706,000 within the District, while the metropolitan area exceeds 6.3 million. Top economic drivers are the federal government, professional and business services, and international finance. GDP per capita is approximately $250,000 USD (the highest in the U.S. due to the concentration of high-value services). The District is a global hub for think tanks, law firms, and non-profit organizations.
Visa & Entry Policy
Citizens of the UK, EU, and other Visa Waiver Program nations require an ESTA for stays up to 90 days. Other international travelers require a B1/B2 visa. Effective January 1, 2026, under Presidential Proclamation 10998, visa issuance is suspended or restricted for nationals of 38 countries. Customs enforcement is rigorous at Dulles (IAD) and Reagan National (DCA) airports.
Currency & Payment Systems
The currency is the United States Dollar (USD). Card payments and "tap-to-pay" mobile wallets are universal. Unlike some states, D.C. law requires all retail and food establishments to accept cash. ATMs are ubiquitous.
National Transport Grid
Intercity travel is dominated by the Northeast Corridor rail line (Amtrak) and domestic aviation. The city is served by three major airports: Reagan National (DCA), Dulles International (IAD), and Baltimore/Washington International (BWI). The Washington Metro (WMATA) provides extensive subway and bus coverage. Long-distance buses are operated by Greyhound, FlixBus, and various regional carriers.
Digital Infrastructure
Major mobile network providers are Verizon, AT&T, and T-Mobile. 5G coverage is universal across the District. The city features a high density of public Wi-Fi hotspots and serves as a primary node for global fiber-optic traffic through the Northern Virginia data center corridor.
Climate & Seasonality
The climate is humid subtropical. Summers (June–August) are hot and highly humid; winters (December–February) are cool to cold with occasional snow. Spring (March–May) and Autumn (September–November) are mild. The peak tourism season coincides with the National Cherry Blossom Festival in late March or early April.
Health & Safety
No mandatory vaccines are required for entry. Environmental risks include extreme heat in summer and occasional flooding in low-lying areas (Tidal Basin). The emergency number for Police, Ambulance, and Fire is 911.
Top 3 Major Regions & Neighborhoods
The National Mall (Museums/Monuments): The central monumental core.
Northwest (Finance/Diplomacy): Includes Georgetown, Dupont Circle, and Foggy Bottom.
Capitol Hill (Legislative/Residential): The historic district surrounding the U.S. Capitol.
Local Cost Index
1L Water: $2.50 USD
1 Domestic Beer: $8.00 USD
1 Sim Card (Data Plan): $50.00 USD
Average 1-Bedroom Rent: $2,300 USD
Facts & Legends
A persistent urban legend is the "Demon Cat" of Capitol Hill; the ghost of a black cat is said to appear in the basement of the U.S. Capitol building before national tragedies or changes in presidential administrations, with sightings reportedly dating back to the mid-19th century.