The Pentagon: Headquarters of the United States Department of Defense

Thanks for visiting! Tours of the Pentagon are available to schools, educational organizations and other select groups by reservation only. Groups interested in touring the Pentagon should contact the Pentagon Tour Office at 703-697-1776.

The Pentagon, headquarters of the United States Department of Defense and the nerve center for command and control, is virtually a city within itself. The Pentagon presently houses approximately 23,000 military and civilian employees and about 3,000 non-defense support personnel dedicated to protecting our national interests.