The United States of America, commonly called the United States (US, or USA, or America), consists of fifty states and a federal district.
The 48 contiguous states and the federal district of Washington, D.C. are positioned in central North America between Canada and Mexico.
The state of Alaska is west of Canada and east of Russia across the Bering Strait, and the state of Hawaii is in the mid-North Pacific. The country also has five populated and nine unpopulated
territories in the Pacific and the Caribbean.
At 3.79 million square miles (9.83 million km2) and with around 315 million people, the United States is the third-largest
country by total area and the third-largest by both land area and population.
For extensive information on the geography and landforms of the USA (United States of America) please use this link