San Diego–Tijuana

San Ysidro Border Inspection Station in 1922
The Downtown San Diego skyline seen at night. At 2.1 mile long, the Coronado Bay Bridge stands as the longest bridge in the region and Southern California.
Paseo de los Heroes in Tijuana.
Fisherman at border fence, Playas de Tijuana
June Gloom over the South Coast
Torrey Pines State Reserve, home to Pinus torreyana torreyana, the sole location worldwide of the subspecies.
A leopard shark and two blacksmith chromis observed in kelp forest habitat at Birch Aquarium
Mountains and faults within and near San Diego–Tijuana
Cerro de Las Abejas.
Chula Vista Bayfront of Chula Vista, 3rd largest city in the region
Oceanside Pier of Oceanside, 4th largest city in the region
Beach at Border State Park; San Diego is on the right while Tijuana is on the left.
Border fence between Tijuana (right) and San Diego's border patrol offices (left)
Otay Mesa Port of Entry pedestrian facility
US-Mexico border crossing from the American side.
Cruise ship terminal at the Port of San Diego
An industrial park in Tijuana's outskirts
Qualcomm Corporate Headquarters
Kasatka (Shamu) performing at SeaWorld San Diego
San Diego during July 4 
fireworks
Tijuana's Cultural Center's OMNIMAX theater.
Interior of a bar in Tijuana
Avenida Revolución, one of Tijuana's prime entertainment districts.
View of San Diego skyscrapers along Harbor Drive
San Diego Trolley Blue Line heading towards Tijuana
San Diego traffic at the San Ysidro Port of Entry, the busiest international border crossing in the world
A Federal Highway in Tijuana's North.
Cabrillo Freeway (SR 163) leading into Downtown San Diego
Highway that connects Tijuana and Ensenada, locally known as "La Escénica"
Dole fruit containers at Tenth Avenue Marine Terminal. 185 million bananas were imported through the Port of San Diego each month in 2008.
Plane flying into San Diego International Airport
Front of Tijuana International Airport
Traffic at the San Ysidro Port of Entry in San Diego-Tijuana
CETYS University's post-graduate studies building.
Area codes of the metropolitan area
Sempra Corporate Headquarters in San Diego
Balboa Park
San Diego Museum of Man
Tijuana's House of Culture.
The Caesar salad finds roots in the cross border culture of 1920s American Prohibition, when San Diegans would take trips to Tijuana to legally consume alcohol. Caesar salad was invented by an Italian immigrant living in San Diego who owned a popular restaurant for drinking in Tijuana. Today, young San Diegans under 21 still cross into Tijuana for the 18 years old drinking age.
Surfers in Cardiff
Estadio Caliente
Petco Park during a Padres game

International transborder agglomeration, straddling the border of the adjacent North American coastal cities of San Diego, California, United States and Tijuana, Baja California, Mexico.

- San Diego–Tijuana

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Southern California

Geographic and cultural region that generally comprises the southern portion of the U.S. state of California.

San Diego Marina district
Sunset in Venice, a neighborhood in Los Angeles
Three Arch Bay in Laguna Beach
California counties below the 36th standard parallel
Topography of the border region
Percent of households with incomes above $150k across LA County census tracts.
Köppen climate types of southern California
Proctor Valley in Chula Vista
Autumn of 2008 in southern California.
Satellite view of southern California, including the Channel Islands
View from La Jolla Cove in San Diego.
Peaks in the eastern San Gabriel Mountains, Angeles National Forest, San Bernardino County.
Yucca Valley with Visitor Center in Background in June 2017.
Ocean Beach Sunset in San Diego.
Northridge earthquake shake map
Salton Sea in the Coachella Valley
The Oceanside Pier on the San Diego County coast
Downtown San Bernardino
Taco Bell Headquarters in Irvine
Disneyland in Anaheim
Interstate and state highway system of Southern California
The Atchison, Topeka and Santa Fe Railway's combined Super Chief-El Capitan pulls into Los Angeles's Union Passenger Terminal on September 24, 1966.
University of California, Los Angeles
California Institute of Technology

The urban area is also host to an international San Diego–Tijuana metropolitan region, created by the urban area spilling over into Baja California.

Imperial Beach, California

Residential beach city in San Diego County, California, with a population of 26,324 at the 2010 census.

Children looking through the border fence on the Mexican side of Imperial Beach
The pier of Imperial Beach
Surfer statue

It is also part of the San Diego – Tijuana metropolitan area, the largest bi-national metropolitan area shared between the United States and Mexico with over 5 million people.

California coastal sage and chaparral

Mediterranean forests, woodlands, and scrub ecoregion located in southwestern California (United States) and northwestern Baja California (Mexico).

Coastal sage and chaparral of Santa Clarita Woodlands Park
California brittlebush growing on steep coastal slopes near Ensenada, Baja California
Coastal scrub and torrey pines in the Torrey Pines State Natural Reserve, San Diego
A bobcat roaming the foothills of the Santa Monica Mountains
Restored patch of coastal scrub at Marine Corps Base Camp Pendleton

Major urban centers located within this ecoregion include Greater Los Angeles, San Diego-Tijuana, Ensenada, and Tecate.

Non-commercial educational station

Radio station or television station that does not accept on-air advertisements (TV ads or radio ads), as defined in the United States by the Federal Communications Commission (FCC) and was originally intended to offer educational programming as part, or whole, of its programming.

Long wave radio broadcasting station, Motala, Sweden

Many of the reserved-band channels are used by stations bordering the United States, such as with broadcasting in the San Diego/Tijuana metropolitan area.

Interstate 805

Major north–south auxiliary Interstate Highway in Southern California.

I-805 northbound at SR 905
The beginning of I-805 south at I-5 during the evening rush hour
Aerial view of I-805 near the SR 15 interchange
The La Jolla Village Drive overpass on I-805 northbound, with the Eastgate Mall bridge in the background
"Dual freeway" at northern I-805 terminus

It is a bypass auxiliary route of I-5, running roughly through the center of the Greater San Diego region from San Ysidro (part of the city of San Diego) near the Mexico–U.S. border to near Del Mar.

San Ysidro Port of Entry

Largest land border crossing between San Diego and Tijuana, and the fourth-busiest land border crossing in the world (second-busiest if one excludes the crossings between Mainland China and its two Special Administrative Regions) with 70,000 northbound vehicles and 20,000 northbound pedestrians crossing each day, in addition to southbound traffic.

San Ysidro Border Inspection Station in 1922
Aerial view of artist's rendering of the finished San Ysidro Land Port of Entry in 2015.
The 1933 Mission Revival-style Old Customs House, in a photo from 1981
San Ysidro Port of Entry, 2016.
PedWest building, U.S. side, July 2017.
Photo taken in Tijuana on walking path to San Ysidro Land Port of Entry, East Pedestrian Facility.
San Ysidro Land Port of Entry
Plaque at the San Ysidro Port of Entry, indicating the Mexico–United States border.
Photo of the sign on the East Pedestrian Facility at the San Ysidro Land Port of Entry.

The San Ysidro Port of Entry is one of three ports of entry in the San Diego–Tijuana metropolitan region.

XETV-TDT

Dual Canal 5/NU9VE television station located in Tijuana, Baja California, Mexico.

XETV's fourth and final Fox-era logo, used from 2000 to July 2008.

Its terrestrial signal also covers the San Diego, California area across the international border in the United States.

California State Route 125

SR 125 near Santee, CA
The Quino checkerspot butterfly, one of the endangered species that was the subject of environmental concerns related to the tollway construction

State Route 125 (SR 125) is a state highway in the U.S. state of California that serves as a north–south freeway in the San Diego area.

XEPRS-AM

Commercial AM radio station licensed to Playas de Rosarito, a suburb of Tijuana in Baja California, Mexico.

The Mighty 1090 previous logo used from 2012 to 2015

The station is heard across the San Diego-Tijuana, Los Angeles-Orange County, Riverside-San Bernardino areas of Southern California.

XHAS-TDT

Final logo as a Telemundo affiliate, until June 30, 2017.

XHAS-TDT, virtual channel 33 (UHF digital channel 34), is an Azteca América-affiliated television station located in Tijuana, Baja California, Mexico and serving the Tijuana–San Diego international metropolitan area.