Southern California

===Major central business districts===
[[File:Taco Bell Headquarters Irvine.jpg|thumb|left|[[Taco Bell]] Headquarters in [[Irvine, California|Irvine]]]]
Southern California is home to many major business districts. Central business districts (CBD) include [[Downtown Los Angeles]], [[Downtown Riverside]], [[Downtown San Bernardino]], [[Downtown San Diego]], and the [[South Coast Metro]]. Within the Los Angeles Area are the major business districts of [[Pasadena, California|Downtown Pasadena]], [[Burbank, California|Downtown Burbank]], [[Santa Monica, California|Downtown Santa Monica]], [[Glendale, California|Downtown Glendale]] and [[Downtown Long Beach]]. Los Angeles itself has many business districts, such as [[Downtown Los Angeles]] and those lining [[Wilshire Boulevard]] including [[Mid-Wilshire]], the [[Miracle Mile, Los Angeles|Miracle Mile]], [[Downtown Beverly Hills]] and [[Westwood, Los Angeles|Westwood]]; others include [[Century City, Los Angeles|Century City]] and [[Warner Center, Los Angeles|Warner Center]] in the [[San Fernando Valley]]. The area of Santa Monica and Venice (and perhaps some of Culver City) is informally referred to as "Silicon Beach" because of the concentration of financial and marketing technology-centric firms located in the region.

The [[San Bernardino-Riverside Area]] maintains the business districts of [[Downtown San Bernardino]], [[Hospitality Lane District, San Bernardino, California|Hospitality Business/Financial Centre]], [[University District, San Bernardino|University District]] which are in the cities of San Bernardino and Riverside.

In Orange County, has highly developed suburban business centers (also known as [[edge cities]]) including the [[Anaheim–Santa Ana edge city]] along I-5; and another, the [[South Coast Plaza–John Wayne Airport edge city]] that stretches from the [[South Coast Metro]] to the [[Irvine Business Complex]]; [[Newport Center, Newport Beach, California|Newport Center]]; and [[Irvine Spectrum]]. [[Downtown Santa Ana]] is an important government, arts and entertainment, and retail district.

[[Downtown San Diego]] is the CBD of San Diego, though the city is filled with business districts. These include [[Carmel Valley, San Diego|Carmel Valley]], [[Del Mar Heights, San Diego|Del Mar Heights]], [[Mission Valley]], [[Rancho Bernardo]], [[Sorrento Mesa]], and [[University City, San Diego|University City]]. Most of these districts are located in Northern San Diego and some within [[North County]] regions.