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California is located on the Pacific coast sharing borders with Oregon to the north, Nevada and Arizona to the east, and the Mexican state of Baja California to the south of San Diego. California is the most populous state in the United States and the third most extensive by area.

The state capital of Sacramento sits east of the San Francisco Bay Area which is the states fifth-most populous urban region respectively, and north of Los Angeles California's most populous city, and the country's second largest after New York City. Los Angeles County is also the nation's most populous county in California, its largest county by area is San Bernardino County.

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