The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a country primarily located in North America. It is comprised of 50 states, a federal district, five major self-governing territories, and various possessions.

The United States is the world's third-largest country by total area and population. It is a diverse nation with a rich cultural heritage influenced by Native American, European, African, Asian, and Latin American traditions.

The country was founded by thirteen British colonies in 1776 and declared independence, leading to the American Revolutionary War. The United States is known for its democratic system of government, with a president serving as both head of state and head of government.

The United States is a global economic and military superpower, with a significant impact on international politics, economics, and culture. It is home to a wide range of landscapes, from bustling cities to vast forests, deserts, and mountains, making it a popular destination for tourists and immigrants alike.