Map of San Diego Bay published in 1923 by the 11th Naval District. San Diego Bay is a natural harbor and deepwater port located in San Diego County, California near the U.S.–Mexico border San Francisco Bay and Humboldt Bay. The highly urbanized land adjacent to the bay includes the city of San Diego (eighth-largest in the United States) and ...

San Diego County (/ ˌ s æ n d i ˈ eɪ ɡ oʊ / ()), officially the County of San Diego, is a county in the southwestern corner of the state of California, in the United States.As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the fifth-most populous in the United States. Its county seat is San Diego, the second-most populous city in ...

La région de San Diego a été habitée depuis plus de 10 siècles par le peuple Kumeyaay.Le premier Européen à visiter la région est l'explorateur João Rodrigues Cabrilho qui navigue pour la Couronne de Castille.Voyageant sur son navire San Salvador depuis Navidad en Nouvelle-Espagne, Cabrillo revendique la baie de San Diego pour l'empire espagnol en 1542 et baptise le …