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.
Xunyi County, which belongs to Xianyang City, Shaanxi Province, is located in the north of Xianyang City, bordered by Yaozhou District of Tongchuan City in the east, Zhengning in Gansu Province in the north, Chunhua in the south and Linbin County in the west. The total area is 1811 square kilometers. Xunyi County was called Yi in ancient times, Qin Fengyi and Hanzhi County. It belongs to warm temperate continental climate. The terrain is high in the northeast and low in the southwest, and the mountain plateau is half and half, and the height difference is obvious. In 2018, Xunyi County had jurisdiction over 1 street and 9 towns. In 2017, Xunyi County has a total resident population of 267100, with a regional gross domestic product (GDP) of 12.202 billion yuan, of which the added value of the primary industry is 2.935 billion yuan, the secondary industry is 7.092 billion yuan, the tertiary industry is 2.175 billion yuan, and the annual per capita GDP is 45725 yuan.