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.
Mangya City belongs to Haixi Mongolian and Tibetan Autonomous Prefecture of Qinghai Province. Mangya City is located in the northwest border of Qinghai Province, connected to the Great Chaidan District in the east, Golmud City in the southeast, Ruoqiang County in Xinjiang to the west, and Aksai Kazak Autonomous County in Gansu Province in the northeast. The city has a total area of 49900 square kilometers and now has jurisdiction over Huatugou Town, Lenghu Town and Mangya Town (3 animal husbandry villages and 9 communities), with a total population of 63000, including 55000 registered permanent residents and 8000 floating population. No. 60 National Road, Huatugou Town, Municipal people's Government. The name of the city comes from the Mongolian word "forehead". It is estimated that the regional GDP will be 5.079 billion yuan in 2018, the added value of industries above scale will be 4.7 billion yuan, and the investment in fixed assets will be 877 million yuan. Completed local general budget revenue of 169 million yuan,