United States quick facts
Use this reference table to find United States’s basic geographic information. Codes and area figures are presented as reference data; always verify changing statistics against their dated primary source.
- Capital
- Washington D.C.
- Continent
- North America
- Region
- Northern America
- ISO country codes
- US / USA
- Area
- 9,629,091 km² (3,717,811 sq mi)
- Currency code(s)
- USD, USN, USS
- Language code(s)
- EN
- Internet domain
- .us
Where is United States?
United States is located in North America, within Northern America. No land-bordering countries are listed for United States in this reference dataset.
Browse our North America country list to see how this country fits into its wider region.
What is the capital of United States?
The capital of United States is Washington D.C.. Capital arrangements can be complex, so verify this detail if your assignment requires the legal or administrative distinction.
Flag of United States
This is the flag associated with United States in our country reference list. For historical flags and the meanings behind national symbols, consult official national sources; interpretations can change and should not be guessed from flag colours.
Countries bordering United States
No land-bordering countries are listed for United States in this reference dataset.
There are no neighbouring country links to display in this directory.
Frequently asked questions about United States
Which continent is United States in?
United States is grouped under North America in this atlas.
What is the ISO country code for United States?
The two-letter code is US, and the three-letter code is USA.
What currency code is used in United States?
USD, USN, USS Currency codes are not the same as exchange rates.
Sources and accuracy
Country names and ISO codes are based on the ISO 3166 reference list. Stable geographic fields originate from a bundled reference dataset and are reviewed before publication. This first edition deliberately does not supply current population figures or claim a verified interpretation of every national flag. For current statistics, see the World Bank or official national statistics offices. For UN status, see the United Nations.
Editorial edition: November 2026. This is an educational introduction, not an official government page.