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San Diego – Tijuana metropolitan area

San Diego–Tijuana
Metropolitan area of the Californias
Primary urban area of San Diego–Tijuana
Primary urban area of San Diego–Tijuana
Country United States United States
Mexico Mexico
State California California
Baja California Baja California
Major cities San Diego
Tijuana
 - Carlsbad
 - Oceanside
 - Chula Vista
Area
 • Total 6,194 sq mi (16,040 km2)
Elevation 0 - 6,533 ft (0 - 1,991 m)
Population (2012 est.)
 • Density 1,020/sq mi (394/km2)
 • Metro 4,922,723.
Time zone PST (UTC-8)

Coordinates: 32°32′31.87″N 117°01′46.63″W / 32.5421861°N 117.0296194°W / 32.5421861; -117.0296194

San Diego–Tijuana is an international metropolitan conurbation, straddling the border of the adjacent North American coastal cities of San Diego, California, United States and Tijuana, Baja California, Mexico. The 2012 population of the region was 4,922,723, making it the largest bi-national conurbation shared between the United States and Mexico, the second-largest shared between the US and another country (after Detroit-Windsor), and the fourth largest in the world. In its entirety, the region consists of San Diego County in the United States and the municipalities of Tijuana, Rosarito Beach, and Tecate in Mexico. It is the third most populous region in the California-Baja California region, smaller only than the metropolitan areas of Greater Los Angeles and the San Francisco Bay Area.


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