The United States of America is the fourth largest country in the world after Russia, Canada and China. It occupies the southern part of North America and stretches from the Atlantic seaboard, across the central plains, over the Rocky Mountains to the densely populated West Coast and then to the island state of Hawaii.
The USA also includes Alaska in the north of the continent. The total area of the country is about nine and a half million square kilometers. The USA borders on Canada in the north and on Mexico in the south. It also has a sea-border with Russia.
The USA is made up of 50 states and the District of Columbia, a special federal area where the capital of the country, Washington, is situated. The population of the country is about 239 millions. The USA is called the «nation of immigrants». The country was settled, built and developed by generations of immigrants and their children. Many different cultural traditions, ethnic sympathies, racial groups and religious affiliations make up the people of the USA.