Definition of Southern california

Southern California, also colloquially known as SoCal, is the southern portion of the U.S. state of California. Centered on the cities of Los Angeles and San Diego, Southern California is home to nearly 24 million people and is the nation's second most populated region, behind only the BosWash Region in the Eastern United States. Southern California also contains a plethora of diverse landscapes including towering mountain ranges, deep valleys, vast deserts, scenic islands, large swaths of forest, and a breathtaking rugged coastline with miles of sandy beaches.