Washington D.C., the US capital, it is a planned city, designed specifically to house the federal government, and is not part of any state. Its history, beautiful architecture, and excellent cultural centers attract millions of visitors each year.
About Washington
Washington covers an area of 68.3 sq. miles (177 sq. Km) and is estimated to have a population of 5.5 million people being the capital of the United States. The city was named after George Washington, the first president of the United States.