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.
Suihua, a prefecture-level city of Heilongjiang Province, means auspicious Anshun in Manchu. Suihua is located in the middle of Heilongjiang Province, in the Hulan River basin of Songnen Plain, Yichun, the capital of Lindu in the east, Harbin in the south, Daqing in the west, Heihe River in the north, and Hecheng Qiqihar in the northwest. Suihua City was established in 1885. It covers an area of 35000 square kilometers and covers an area of 35000 square kilometers. It has jurisdiction over three cities, six counties and one district. The landform features "two mountains, one water and seven fields". By the end of 2018, Suihua has a total population of 5.247 million. In 2018, the regional GDP of Suihua City reached 135.96 billion yuan, an increase of 4.1% over the same period last year; the public budget revenue totaled 6.1 billion yuan, an increase of 8.8% over the same period last year; the per capita disposable income of urban permanent residents was 25023 yuan; and that of rural residents