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.
Jinta County, which belongs to Jiuquan City, Gansu Province, is located on the northern edge of the middle part of Hexi Corridor, between longitude 97 °58'E and latitude 39 °47 °40 °59', with a total area of 18800 square kilometers. Jinta County is a typical temperate arid continental climate with cold winter, hot summer, large temperature difference, sufficient sunshine and large evaporation. As of 2017, it has jurisdiction over 5 towns, 5 townships and 1 urban community management committee, with 479 village groups and 4 urban communities in 89 administrative villages. As of 2017, the total population of Jinta County is 145600. Huishui County was set up in the second year of Emperor Wu of the Han Dynasty (121BC), which has a history of more than 2100 years. It was formerly known as Wang Zizhuang, named because Ju Quli, the eldest son of Beiliang, once established a herding village here.