San Diego Marina district
Orange County map, 1921
Sunset in Venice, a neighborhood in Los Angeles
Laguna Beach (with Newport beach in background).
The Kumeyaay, also known as the Diegueño, have inhabited the area of San Diego for thousands of years.
Three Arch Bay in Laguna Beach
Los Angeles County before the secession of Orange County in 1889
San Diego's namesake is the 15th-century Spanish saint Didacus of Alcalá.
California counties below the 36th standard parallel
A billboard for Nixon's Restaurant in Orange County, circa 1955
José María Estudillo served as commandant of the Presidio of San Diego and founded the Estudillo family, a powerful San Diego clan of Californios.
Topography of the border region
One of the few remaining farms near the ocean, 1975. Photo by Charles O'Rear.
The 1846 Battle of San Pasqual was a decisive battle between American and Californio forces during the U.S. Conquest of California.
Percent of households with incomes above $150k across LA County census tracts.
Three Arch Bay in Laguna Beach, Southern Orange County
The namesake of Horton Plaza, Alonzo Horton developed "New Town," which became Downtown San Diego.
Köppen climate types of southern California
View of Newport Center and the Santa Ana Mountains from Newport Harbor
Balboa Park on the cover of a guidebook for the World Exposition of 1915
Proctor Valley in Chula Vista
Aerial view of an edge city: Irvine Business Complex (top), John Wayne Airport runway (upper center), South Coast Metro buildings (lower center) and below, the South Coast Plaza mall
Satellite view of San Diego and Tijuana, Mexico
Autumn of 2008 in southern California.
Huntington Beach and Fountain Valley from over Costa Mesa
Mission Valley facing Northwest, taken from Arista Street. Mission Bay can be seen in the distance.
Satellite view of southern California, including the Channel Islands
Major facilities in the Anaheim–Santa Ana edge city, plus the locations of the adjacent downtowns
Normal Heights, a neighborhood of San Diego
View from La Jolla Cove in San Diego.
MainPlace Mall
San Diego skyline, seen in January 2021
Peaks in the eastern San Gabriel Mountains, Angeles National Forest, San Bernardino County.
Orange County Density Map. Darker shades indicate more densely populated areas.
Surfers at Pacific Beach
Yucca Valley with Visitor Center in Background in June 2017.
The developing urban core in the City of Irvine.
Coastal canyon in Torrey Pines State Reserve
Ocean Beach Sunset in San Diego.
Newport Center and Fashion Island
San Diego viewed against the Witch Creek Fire smoke
Northridge earthquake shake map
State Route 1 winds down the coast over Corona Del Mar State Beach
Map of racial distribution in San Diego, 2010 U.S. Census. Each dot is 25 people:
Salton Sea in the Coachella Valley
Anaheim Regional Transportation Intermodal Center (ARTIC)
A U.S. Navy vice admiral and an intelligence specialist celebrating Hispanic American Heritage Month in San Diego
The Oceanside Pier on the San Diego County coast
Santa Ana Regional Transportation Center
USS Midway museum ship
Downtown San Bernardino
1965 aerial photo of Anaheim Disneyland, Disneyland Hotel with its Monorail Station. The Disneyland Heliport, surrounding orange groves, Santa Ana Freeway (now I-5) and the Melodyland Theater "in the round," and part of the City of Anaheim. Anaheim Stadium can be seen under construction near the upper left.
F/A-18 Hornet flying over San Diego and the USS John C. Stennis
Taco Bell Headquarters in Irvine
Street banners promoting the county's two major league teams, the Ducks and the Angels.
View on Harbor Drive
Disneyland in Anaheim
Downtown San Diego, as seen from Coronado Island
Interstate and state highway system of Southern California
Qualcomm corporate headquarters
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
Official portrait of Mayor Todd Gloria
California Institute of Technology
San Diego City Council chambers
Blooming Roses at Huntington Library in San Marino, Los Angeles County, April 2022
San Diego Police Department car in the city center
San Diego State University's Hepner Hall
University of California, San Diego's Geisel Library, named for Theodor Seuss Geisel ("Dr. Seuss")
The Museum of Us
Petco Park, home of the Padres since 2004
I-5 looking south toward downtown San Diego
View of Coronado and San Diego from the air
Cross Border Xpress bridge from the terminal in San Diego on the right to the main terminal of Tijuana Airport on the left

Orange County is located in the Los Angeles metropolitan area in Southern California.

- Orange County, California

The region generally contains ten of California's 58 counties: Imperial, Kern, Los Angeles, Orange, Riverside, San Bernardino, San Diego, Santa Barbara, San Luis Obispo and Ventura counties.

- Southern California

Within Southern California are two major cities, Los Angeles and San Diego, as well as three of the country's largest metropolitan areas.

- Southern California

Saint Junípero Serra y Ferrer and the early components of the Portolá Expedition arrived in modern-day San Diego, south of the present-day Orange County, in mid-late 1769.

- Orange County, California

Like much of Southern California, the majority of San Diego's current area was originally occupied on the west by coastal sage scrub and on the east by chaparral, plant communities made up mostly of drought-resistant shrubs.

- San Diego

The Imperial Valley, including El Centro, is in the Yuma, Arizona television market while neighboring Orange and Riverside counties are part of the Los Angeles market.

- San Diego

4 related topics with Alpha

Overall

Greater Los Angeles

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Greater Los Angeles in yellow and peach; urbanized areas in gray; Los Angeles proper lined in blue; Los Angeles metropolitan area lined in red.
373x373px
Downtown Los Angeles in 2016
Many areas are completely filled with houses, buildings, roads, and freeways as observed in Vermont Vista, a Los Angeles neighborhood.
Downtown Los Angeles
Los Angeles Basin at dawn
Aerial view of Newport Beach in Orange County
San Bernardino Valley
The Ventura coast
Port of Long Beach
Sleeping Beauty Castle at Disneyland Park
Laguna Beach coastline is popular for sunbathers
Warner Brothers Studios in the San Fernando Valley
Los Angeles Zoo
Cal State LA's The Golden Eagle, consisting of two adjoining structures separated by a promenade.
Rush hour on the Harbor Freeway, Downtown
Map of LA County Metro
Staples Center in Downtown Los Angeles
UCLA–USC rivalry, both universities are located in Los Angeles and are members of the Pac-12 Conference. The rivalry between the two is among the more unusual in National Collegiate Athletic Association (NCAA) Division I sports, because the campuses are only 12 miles (19 km) apart, and both are located within the same megacity.
Los Angeles
Long Beach
Anaheim
Map of LA County Metro

Greater Los Angeles is the second-largest metropolitan region in the United States with a population of 18.5 million as of 2021, encompassing five counties in southern California extending from Ventura County in the west to San Bernardino County and Riverside County in the east, with Los Angeles County in the center and Orange County to the southeast.

But the article's flawed definition of Greater Los Angeles included San Diego, which is actually its own metropolitan area.

California

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State in the Western United States.

State in the Western United States.

A map of California tribal groups and languages at the time of European contact
The coat of arms granted to the Californias by Viceroy Antonio de Mendoza
Mission San Diego de Alcalá drawn as it was in 1848. Established in 1769, it was the first of the California Missions.
Map showing Alta California in 1838, when it was a sparsely populated Mexican province
The flag used by Juan Bautista Alvarado's 1836 movement for Californian independence
The Russians from Alaska established their largest settlement in California, Fort Ross, in 1812.
The Bear Flag of the California Republic was first raised in Sonoma in 1846 during the Bear Flag Revolt.
Yokayo, a village of Pomo people in Ukiah (Mendocino County), c. 1916
Hollywood film studios, 1922
The "Birthplace of Silicon Valley" garage, where Stanford University graduates Bill Hewlett and David Packard developed their first product in the 1930s
A topographic map of California
Big Sur coast, south of Monterey at Bixby Bridge
Yosemite National Park
Cylindropuntia bigelovii in the Joshua Tree National Park
Köppen climate types in California
Death Valley, in the Mojave Desert
Five of the twenty largest wildfires in California history were part of the 2020 wildfire season.
A Joshua Tree (Yucca brevifolia) in Joshua Tree
A forest of redwood trees in Redwood National Park
Sea otter in Morro Bay, California
Mission San Diego de Alcalá, first of the Spanish missions in California
Sunset at Venice Beach
Los Angeles Memorial Coliseum hosted the Summer Olympics in 1932 and 1984.
Torrance High School, one of the oldest high schools in continuous use in California
The University of California, Berkeley is the first and oldest campus of the UC system.
The Claremont Colleges east of L.A. include some of the most selective liberal arts colleges in the U.S.
A tree map depicting the distribution of occupations across California
Orange Grove outside of Santa Paula
The Googleplex in Mountain View, California, is the corporate headquarters of Google. Silicon Valley is a center for the global technology industry.
Economic regions of California
Moss Landing Power Plant, located on the coast of Monterey Bay
Solar Energy Generating Systems, located in the Mojave Desert
The Golden Gate Bridge
The Judge Harry Pregerson Interchange in Los Angeles, one of California's tall "stack" interchanges
Map of California showing the primary roadways
Amtrak California train in Pinole
Aerial view of the Delta–Mendota Canal (left) and the California Aqueduct, at the Interstate 205 crossing west of Tracy
California budget 2022-2023
The California State Capitol in Sacramento
Democrats Jerry Brown and Eric Garcetti. Brown served twice as Governor of California and Garcetti is currently serving as Mayor of Los Angeles.
California GDP by sector in 2017<ref name="auto">{{Cite web |title=SAGDP2N Gross domestic product (GDP) by state |url=https://www.bea.gov/data/gdp/gdp-state |access-date=December 21, 2018 |publisher=Bureau of Economic Analysis}}</ref>
Had California been an independent country in 2021 its gross domestic product (nominal) would have been ranked fifth in the world.<ref>{{Cite web |title=5. Report for Selected Countries and Subjects |url=https://www.imf.org/external/pubs/ft/weo/2016/01/weodata/weorept.aspx?pr.x=69&pr.y=15&sy=2018&ey=2018&scsm=1&ssd=1&sort=country&ds=.&br=1&c=512%2C672%2C914%2C946%2C612%2C137%2C614%2C546%2C311%2C962%2C213%2C674%2C911%2C676%2C193%2C548%2C122%2C556%2C912%2C678%2C313%2C181%2C419%2C867%2C513%2C682%2C316%2C684%2C913%2C273%2C124%2C868%2C339%2C921%2C638%2C948%2C514%2C943%2C218%2C686%2C963%2C688%2C616%2C518%2C223%2C728%2C516%2C558%2C918%2C138%2C748%2C196%2C618%2C278%2C624%2C692%2C522%2C694%2C622%2C142%2C156%2C449%2C626%2C564%2C628%2C565%2C228%2C283%2C924%2C853%2C233%2C288%2C632%2C293%2C636%2C566%2C634%2C964%2C238%2C182%2C662%2C359%2C960%2C453%2C423%2C968%2C935%2C922%2C128%2C714%2C611%2C862%2C321%2C135%2C243%2C716%2C248%2C456%2C469%2C722%2C253%2C942%2C642%2C718%2C643%2C724%2C939%2C576%2C644%2C936%2C819%2C961%2C172%2C813%2C132%2C199%2C646%2C733%2C648%2C184%2C915%2C524%2C134%2C361%2C652%2C362%2C174%2C364%2C328%2C732%2C258%2C366%2C656%2C734%2C654%2C144%2C336%2C146%2C263%2C463%2C268%2C528%2C532%2C923%2C944%2C738%2C176%2C578%2C534%2C537%2C536%2C742%2C429%2C866%2C433%2C369%2C178%2C744%2C436%2C186%2C136%2C925%2C343%2C869%2C158%2C746%2C439%2C926%2C916%2C466%2C664%2C112%2C826%2C111%2C542%2C298%2C967%2C927%2C443%2C846%2C917%2C299%2C544%2C582%2C941%2C474%2C446%2C754%2C666%2C698%2C668&s=NGDPD&grp=0&a= |url-status=dead |archive-url=https://web.archive.org/web/20190323111307/https://www.imf.org/external/pubs/ft/weo/2016/01/weodata/weorept.aspx?pr.x=69&pr.y=15&sy=2018&ey=2018&scsm=1&ssd=1&sort=country&ds=.&br=1&c=512%2C672%2C914%2C946%2C612%2C137%2C614%2C546%2C311%2C962%2C213%2C674%2C911%2C676%2C193%2C548%2C122%2C556%2C912%2C678%2C313%2C181%2C419%2C867%2C513%2C682%2C316%2C684%2C913%2C273%2C124%2C868%2C339%2C921%2C638%2C948%2C514%2C943%2C218%2C686%2C963%2C688%2C616%2C518%2C223%2C728%2C516%2C558%2C918%2C138%2C748%2C196%2C618%2C278%2C624%2C692%2C522%2C694%2C622%2C142%2C156%2C449%2C626%2C564%2C628%2C565%2C228%2C283%2C924%2C853%2C233%2C288%2C632%2C293%2C636%2C566%2C634%2C964%2C238%2C182%2C662%2C359%2C960%2C453%2C423%2C968%2C935%2C922%2C128%2C714%2C611%2C862%2C321%2C135%2C243%2C716%2C248%2C456%2C469%2C722%2C253%2C942%2C642%2C718%2C643%2C724%2C939%2C576%2C644%2C936%2C819%2C961%2C172%2C813%2C132%2C199%2C646%2C733%2C648%2C184%2C915%2C524%2C134%2C361%2C652%2C362%2C174%2C364%2C328%2C732%2C258%2C366%2C656%2C734%2C654%2C144%2C336%2C146%2C263%2C463%2C268%2C528%2C532%2C923%2C944%2C738%2C176%2C578%2C534%2C537%2C536%2C742%2C429%2C866%2C433%2C369%2C178%2C744%2C436%2C186%2C136%2C925%2C343%2C869%2C158%2C746%2C439%2C926%2C916%2C466%2C664%2C112%2C826%2C111%2C542%2C298%2C967%2C927%2C443%2C846%2C917%2C299%2C544%2C582%2C941%2C474%2C446%2C754%2C666%2C698%2C668&s=NGDPD&grp=0&a= |archive-date=March 23, 2019 |access-date=December 15, 2018}}</ref>
Köppen climate types in California
A topographic map of California
The famous Tunnel tree at Yosemite National Park in May of 2022
Death Valley, in the Mojave Desert

After the Portolà expedition of 1769–70, Spanish missionaries led by Junipero Serra began setting up 21 California Missions on or near the coast of Alta (Upper) California, beginning in San Diego.

After a series of defensive battles in Southern California, the Treaty of Cahuenga was signed by the Californios on January 13, 1847, securing American control in California.

Orange County had remained largely Republican until the 2016 and 2018 elections, in which a majority of the county's votes were cast for Democratic candidates.

San Diego County, California

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County in the southwestern corner of the state of California, in the United States.

County in the southwestern corner of the state of California, in the United States.

Many of the cities seen from the sky as part of the San Diego-Tijuana metropolitan area.
Cleveland National Forest
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)
San Onofre Nuclear Generating Station
Horton Plaza, before its demolition in 2020
San Diego County Administration Center
USS Decatur (DDG-73)
North County communities. Coastal cities are in dark blue, unincorporated coastal communities are in light blue. Inland cities are in dark yellow, unincorporated inland communities are in light yellow. Parts of northern San Diego are sometimes considered part of North County, as are much of the white areas north of the city.
East County communities in red. In dark red are the cities and towns of Santee and El Cajon which mark the western edge of East County. Unincorporated communities are in light red, including Lakeside and Alpine.
South Bay communities of San Diego County. The cities and towns of National City, Chula Vista, and Imperial Beach are in dark orange. The unincorporated community of Bonita is in light orange. San Ysidro and Otay Mesa, neighborhoods of the city of San Diego, are in pink.

Its county seat is San Diego, the second-most populous city in California and the eighth-most populous city in the United States.

From north to south, San Diego County extends from the southern borders of Orange and Riverside Counties to the Mexico-U.S. border and the Baja California municipalities of Tijuana and Tecate.

It is located on the Southern California coast, bordered by Oceanside to the south, San Clemente to the north, and Fallbrook to the east.

I-5 looking south toward Downtown San Diego, January 2002

Interstate 5 in California

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Major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington.

Major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington.

I-5 looking south toward Downtown San Diego, January 2002
I-5 southbound in San Diego toward Mexico, September 2012
I-5 crosses the Los Angeles River twice; the northern of these is on the border between Los Angeles and Glendale
I-5 northbound prior to entering the Newhall Pass Interchange
I-5 in the Newhall Pass Interchange, where it meets I-210 and SR 14 in northern Los Angeles
I-5 in the Central Valley, looking south near Derrick Avenue in Fresno County
I-5 in the Central Valley between Tracy and Patterson
I-5 southbound approaching Weed and Mount Shasta
View of the Grapevine loops looking north toward the San Joaquin Valley c. 1920, before the Ridge Route Alternate was built off to the left
A section of the 1915 Ridge Route in Lebec, abandoned when US 99 (later upgraded to I-5) was constructed over the Tejon Pass in order to make the travel straighter and safer

I-5 is known colloquially as "the 5" to Southern California residents and "5" to Northern California residents due to varieties in California English.

This highway links the major California cities of San Diego, Santa Ana, Los Angeles, Stockton, Sacramento, and Redding.

I-5 enters Orange County at the Cristianitos Road exit.