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.
Balikun, which means "Tiger Lake" in Turkic language, gets its name from Balikun Lake; it is the homonym of "Balkule" in Mongolian, meaning "tiger's front paws", which is named after the dangerous terrain; and it is the ancient Yue language. Balikun Kazakh Autonomous County is an autonomous county under the jurisdiction of Hami City, Xinjiang Uygur Autonomous region. Balikun Kazakh Autonomous County, established on September 30, 1954, is located in northeastern Xinjiang, bordering Yiwu County to the east, Yizhou District to the south, Kazakh Autonomous County to the west, Mongolia to the north, and one of the three Kazakh autonomous counties in the country. it is also a key county for poverty alleviation and development in Xinjiang. it is a typical border county, Gaohan county and disaster-prone county in Xinjiang. it was identified as five categories of areas by China in 2006. The border line between China and Mongolia is 309 kilometers long, and there are seasonally open ports in China.