Map from a time when a few places remained unknown
The Americas (or America) are a landmass that include the continents of North America and South America and all nearby islands. They cover 8.3% of the surface of the Earth, and 28.4% of its land area. The Americas are located in the Western Hemisphere. In history, they have also been called the New World.
In countries that speak Spanish, the Americas are considered a single continent.
The word American is usually used to mean a person or a thing from the United States of America. People and things from the Americas are also sometimes called "American".