Washington is the capital of the United States of America . It is the seat of the American government. George Washington, the first American president, chose the place, where the city now stands to build the capital, and the city was named after him. It is difficult to find a park or a square in the town without a monument or a memorial. The best - known of them are: the Lincoln Memorial and the Washington Monument . The Capitol is the highest building in the town. It is the seat of the USA Congress. The White House is the residence of the USA President. Washington stands on the Potomac River . It is not a very big town.