Southern California

==Constituent metropolitan areas==
Southern California encompasses eight metropolitan areas (MSAs), three of which together form the Greater Los Angeles [[List of Combined Statistical Areas|Combined Statistical Area]] (CSA) with over 18 million people, the second-biggest CSA after [[New York metropolitan area|the New York CSA]]. These three MSAs are the [[Los Angeles metropolitan area]] ([[Los Angeles County, California|Los Angeles]] and [[Orange County, California|Orange]] counties, with 13.3 million people), the [[Inland Empire]] ([[Riverside County, California|Riverside]] and [[San Bernardino County, California|San Bernardino]] counties, including the [[Coachella Valley]] cities, with 4.3 million people), and the [[Oxnard–Thousand Oaks–Ventura metropolitan area]] (0.8 million people). In addition, southern California contains the [[San Diego metropolitan area]] with 3.3 million people, [[Kern County, California|Bakersfield]] metro area with 0.9 million, and the [[Santa Barbara County, California|Santa Barbara]], [[San Luis Obispo County|San Luis Obispo]], and [[Imperial County, California|El Centro (Imperial County)]] metropolitan areas.

The '''Southern California''' '''[[Megaregions of the United States|Megaregion]]''' (or [[megalopolis]]) is larger still, extending northeast into [[Las Vegas]], [[Nevada]] and south across the [[Mexico|Mexican]] border into [[Tijuana]].<ref>{{cite web|url=http://www.america2050.org/megaregions.html|title=Megaregions|access-date=October 1, 2014|url-status=dead|archive-url=https://web.archive.org/web/20170516142109/http://www.america2050.org/megaregions.html|archive-date=May 16, 2017}}</ref>