Downtown San Diego is the central business district of San Diego, though the city is filled with business districts. These include Carmel Valley, Del Mar Heights, Mission Valley, Rancho Bernardo, Sorrento Mesa, and University City. Most of these districts are located in Northern San Diego and some within North County regions.
Other than its main central  business district, where are the majority of San Diego's business districts located?
Northern San Diego Northern San Diego Northern San Diego