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.
Yining City (Uygur: Latin Uygur: Ghulja) is located in the northwest border of Xinjiang, in the middle of the Yili River Valley Basin. The geographical coordinates are between latitude 43 °50 "44 °09 'north and longitude 80 °04" 81 °29' east. Yining County to the east, Huocheng County to the west, Yili River to the south and Chabuchal Xibe Autonomous County across the river, and Kogurqin Mountain to the north. It is 509 km from Urumqi by air, 614 km by railway and 702 km by road. Northeast to Tacheng highway mileage of 830 km, to Altay city highway mileage of 989 km. The city center is 639 meters above sea level. The total area of the city is 761.34 square kilometers, with a length of 52.08km from north to south and 35.5km from east to west. Two towns, seven townships under the jurisdiction of Yining