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.
Xing'an District, which belongs to Hegang City, Heilongjiang Province, is located in the southwest of Hegang City, adjacent to vegetable Garden Township in Dongshan District in the north, Xinhua Farm and Xinhua Town in the south, Qingshi Mountain in the west and Nanshan District in the east. It is between 12940 east longitude & #39;-130 57 & #39;, 47 °4 & #39;-47 °6 & #39;. The maximum horizontal distance from east to west is 11 kilometers, and the maximum vertical distance from north to south is 20 kilometers, with a total area of 259.6 square kilometers, accounting for 1.79 percent of the total area of the city. The name of Xing'an District comes from the place name of "Xingantai". Xing'an District was officially established in December 1960. As of 2018, Xing'an District has jurisdiction over 6 streets and 1 town. As of 2016, there are 6 under the jurisdiction of Xing'an District.