 In 1995, the Asian Pacific Thematic Historic District was created to preserve the remaining structures that remained from the era when Chinatown existed.While a few of the buildings remain, there no longer exist a significant concentration of Chinese Americans in the former neighborhood.Located in Central San Diego, Downtown San Diego is delimited by San Diego Bay to the west and southwest, Bankers Hill, Middletown, and Balboa Park to the north, Sherman Heights and Golden Hill to the east, and Barrio Logan and Logan Heights to the southeast.