Mayer is a census-designated place (CDP) in Yavapai County, Arizona, United States. The population was 1,408 at the 2000 census. Mayer includes three sites listed on the National Register of Historic Places: Mayer Apartments, Mayer Business Block, and Mayer Red Brick Schoolhouse.
Camp David is a rural retreat of U.S. presidents in northern Maryland. It is located in Catoctin Mountain Park on a spur of the Blue Ridge Mountains. Camp David lies just west of Thurmont and 64 miles (103 kilometers) northwest of Washington, D.C.
President Eisenhower later renamed the site after his grandson David, and the site is officially known as the Naval Support Facility Thurmont. Camp David is maintained and staffed by the Department of the Navy, with a Marine guard in place to protect the facility.