San Diego is a major coastal city in southern California, known for its warm climate, beautiful beaches, and strong military presence. Located just north of the U.S.–Mexico border, it blends relaxed coastal living with cutting-edge innovation and global influence.

Overview

  • Population: ~1.4 million (metro area over 3.3 million)
  • Founded: 1769 as the first Spanish mission in California
  • Nicknames: America’s Finest City, SD
  • Geography: Sits on the Pacific Ocean, just south of Orange County and west of the Sonoran Desert

Landmarks and Attractions

  • Balboa Park – home to museums and the San Diego Zoo
  • USS Midway Museum
  • Coronado Island and Hotel del Coronado
  • La Jolla Cove and Sea Cliffs
  • Gaslamp Quarter and Old Town
  • SeaWorld San Diego

Economy

San Diego’s economy is driven by:

  • Military and defense – multiple naval bases and shipyards
  • Biotech and life sciences
  • Tourism and hospitality
  • International trade through Port of San Diego and Tijuana proximity

Education and Research

  • Home to the University of California, San Diego (UCSD)
  • Scripps Institution of Oceanography
  • Cutting-edge medical and biotech research institutions

Culture and Lifestyle

  • Known for year-round sunshine, surf culture, and craft beer scene
  • Influenced by Mexican-American and Spanish heritage
  • Hosts Comic-Con International, one of the largest pop culture events in the world
  • Vibrant outdoor lifestyle — surfing, hiking, biking, and kayaking

Transportation

  • San Diego International Airport (SAN)
  • Trolley system and regional bus service
  • Walkable neighborhoods and coastal highways
  • Cross-border connectivity with Tijuana via pedestrian bridge and CBX terminal

Fun Facts

  • San Diego is considered the birthplace of California
  • The world’s oldest active sailing ship, the Star of India, is docked here
  • Over 70 miles of coastline and some of the best surfing beaches in the U.S.

See Also