Countries United States is a country that has vast and diverse in terms of geography, there are both forest desert. The mountain plateau and basin countries United States is composed of 50 States with another State wards 1, Washington DC (Washington DC), which is the capital of the country.Our Mapping team has come up with a beautiful USA Map. The US remains one of the leading nations in the world in terms of economic output and its influence on world events. You can use the USA Map for planning travel, projects or for research.