San Diego: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Last updated

Nov. 13, 2026

News •

Appreciation: Bob Boone’s big-league life began on the fields, courts of San Diego • Nov. 10, 2026, 6:11 PM ET (The San Diego Union-Tribune)

San Diego opera hopefuls to compete in Met’s Laffont auditions • Nov. 8, 2026, 9:01 AM ET (The San Diego Union-Tribune)

Broadway San Diego raises the curtain on its 50th anniversary • Nov. 8, 2026, 9:01 AM ET (The San Diego Union-Tribune)

San Diego must use its municipal code to protect marine mammal life • Nov. 8, 2026, 8:08 AM ET (The San Diego Union-Tribune)

Mexican ambassador to the U.S. pledges during San Diego visit to work on Tijuana River pollution crisis • Nov. 7, 2026, 8:02 AM ET (The San Diego Union-Tribune)

Photos

San Diego, California

Mission San Diego de Alcalá, San Diego, California

Juan Rodríguez Cabrillo

map of San Diego, California, U.S. (c. 1900), from the 10th edition of the Encyclopædia Britannica

San Diego, California

San Diego International Airport

Manchester Hall, San Diego State University, San Diego, California

Old Point Loma Lighthouse, San Diego, California

Cabrillo National Monument

British pilot Steve Jones flying his aircraft between air gates during the Red Bull Air Race World Series, San Diego, 2007.

See All Images →

Topics

New York City Los Angeles Chicago Washington, D.C.San Francisco Philadelphia Boston Seattle Las Vegas Manhattan

Tower Bridge over the Thames River in London, England. Opened in 1894. Remains an Important Traffic Route with 40,000 Crossings Every Day.

Guess the City by Its River Quiz