San Diego (/ˌsæn diˈeɪɡoʊ/ SAN dee-AY-goh, Spanish: [san ˈdjeɣo]; Spanish for 'Saint Didacus') is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States and the seat of San Diego County, the fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the second largest city in the state of California, after Los Angeles.
Longan District, which belongs to Anyang City, Henan Province, is located in the southwest of Anyang City, with a central position of about 114o30 east longitude & 36o08-#39;, north latitude & #39;. It is a new administrative district reformed on the basis of the original suburbs, with a total area of 373 square kilometers. Long'an District is located in the north warm temperate zone, belongs to the continental climate, four distinct seasons, the water temperature is suitable. As of 2017, Longan District has jurisdiction over 2 townships, 3 towns and 6 streets. The district government is stationed in the southern section of Meidong Road. As of 2017, the total population of long'an District is 283000, of which the agricultural population is 220000. In the early days of the founding of the people's Republic of China, Longan District was the fourth District of Anyang City, and it was changed to the suburbs in 1954. When the urban division of Anyang was adjusted at the beginning of 2003, Longan District was newly established on the basis of the original suburbs. There are 1.