Washington, D.C., formally known as the District of Columbia is still commonly referred to as Washington or just

D.C. This city is the capital of the United States of America. It was founded after the American Revolution and was set as the seat of government for the newly formed independent country. The City of Washington was named after the First President of the United States. Washington is the principal city of the Washington metropolitan area. The population of DC was 6,131,977 according to the 2010 US Census. Washington has been described as an important political capital, which status is undoubted because of its status as the capital of the United States federal government. It is one of the most visited cities in the whole world, harboring over 20 million tourists annually.