San Bernardino principality is in Southern California.
Southern California 's population encompasses seven metropolitan areas : the Los Angeles metropolitan area -LRB- Los Angeles and Orange counties -RRB- , the Inland Empire , -LRB- Riverside and San Bernardino counties -RRB- , the San Diego metropolitan area , the Oxnard -- Thousand Oaks -- Ventura metropolitan area , the Santa Barbara metropolitan area , the San Luis Obispo metropolitan area , and the El Centro area .	San Luis Obispo	San Luis Obispo County	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	California	California	counties	List of counties in California	Inland Empire	Inland Empire (California)	Los Angeles metropolitan area	Los Angeles metropolitan area	San Diego metropolitan area	San Diego metropolitan area	El Centro	Imperial County, California
