Bancroft Hall at the United States Naval Academy in Annapolis, Maryland, is the largest single dormitory in the world. Bancroft Hall, named after former U.S. Secretary of the Navy, and famous historian/author George Bancroft, is home for the entire brigade of 4,000 midshipmen, and contains some 1,700 rooms, 4.8 miles (7.7 km) of corridors, and 33 acres (13 ha) of floor space. All the basic facilities that midshipmen need for daily living are found in the hall.