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.
Minqin County is a county under the jurisdiction of Wuwei City, Gansu Province, which is located in the northeast of Hexi Corridor and the lower reaches of Shiyang River Basin. In 17 years (1928), the name was changed to "plain and mellow, the people are industrious". Minqin County is located in Wuwei in the south, Jinchang in the west, and the left and right banners of Inner Mongolia in the northeast and northwest. It is 206km long from east to west and 156km wide from north to south, with a total area of 15800 square kilometers. By the end of 2017, Minqin County had jurisdiction over 18 towns and 248 villages, with a registered population of 273700 and a resident population of 241300. In 2016, Minqin County achieved a regional GDP of 7.775 billion yuan, an increase of 8.7%. Investment in fixed assets of the whole society reached 20.876 billion yuan, an increase of 13.01%, of which more than 15.617 billion yuan was increased.