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.
Zhangwu County, which belongs to Fuxin City, Liaoning Province, is located in the northwest of Liaoning Province, south of Horqin Sandy Land, connecting Kangping and Faku counties to the east, Xinmin City to the south, Laoyang River to the west and Fuxin Mongolian Autonomous County to the north, Kulun Banner and Horqin left Rear Banner in Tongliao City, Inner Mongolia Autonomous region to the north. As of 2018, there are 22 towns and 2 townships in Zhangwu County, and the people's governments of the county are stationed in Zhangwu Town. In 2013, the gross domestic product of Zhangwu County reached 13.5 billion yuan, an increase of 18.3% compared with 2012. Zhangwu County is a "national advanced county in grain production", "national advanced county in basic farmland protection", "national pilot county in forest cutting management reform" and "national safe agricultural machinery demonstration county".