San Diego shop is in Southern California.
San Diego ( [ ˌsæn_diːˈeɪɡoʊ ] , Spanish for `` Saint Didacus '' ; Spanish : [ san ˈdje.ɣo ] ) is a major city in California , United States . It is in San Diego County , on the coast of the Pacific Ocean in Southern California , approximately 120 mi south of Los Angeles and immediately adjacent to the border with Mexico . Southern California . The region is traditionally described as eight counties , based on demographics and economic ties : Imperial , Los Angeles , Orange , Riverside , San Bernardino , San Diego , Santa Barbara , and Ventura .