San Diego is a county located in Southern California.
The region is traditionally described as eight counties , based on demographics and economic ties : Imperial , Los Angeles , Orange , Riverside , San Bernardino , San Diego , Santa Barbara , and Ventura .	Imperial	Imperial County, California	Los Angeles	Los Angeles County	Orange	Orange County, California	Riverside	Riverside County, California	San Bernardino	San Bernardino County	San Diego	San Diego County, California	Santa Barbara	Santa Barbara County	Ventura	Ventura, California	counties	List of counties in California
