The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 states and a federal …

Get facts about the U.S., its laws, history, and statistics. Buy government property. Learn about the president and how to contact elected officials and federal agencies.

3 天之前 · The United States is the fourth largest country in the world in area (after Russia, Canada, and China). The national capital is Washington, which is coextensive with the District …

2025年8月20日 · Explore All Countries United States North America Page last updated: August 20, 2025

US facts and figures: Official web sites of the United States, links and information on US art, culture, geography, history, travel and tourism, cities, the US capital, District of Columbia, …

2025年1月21日 · Provides an overview of the United States, including key facts about this north American country.

2024年1月22日 · Physical and Political maps of the United States, with state names (and Washington D.C.).