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.
Jiyuan City, a county-level city directly under the jurisdiction of Henan Province, is stationed on Qinyuan Street. It gets its name from the birthplace of water relief. It is located to the north of the Yellow River, north of Taihang Mountain and Jincheng of Shanxi Province, west of Zhongtiao Mountain and Yuncheng of Shanxi Province, bordering the Yellow River and Luoyang of Henan Province in the south, and Jiaozuo in the east. Jiyuan is the birthplace of the story of Yu Gong moving away from Dashan. In ancient times, Jiyuan was the capital of Xia Shaokang. Jiyuan was famous for its wealth from the warring States period to the Han Dynasty. It was promoted to be directly administered by the province in 1997, under the direct leadership of the Henan provincial government, and was listed as one of the nine central cities of the Central Plains urban agglomeration in Henan Province in 2003. In 2005, it was upgraded to the administrative unit at the county level directly under the provincial jurisdiction of Henan Province. With the rapid development of Jiyuan economy, Jiyuan now has three listed companies, such as Jiyuan Iron and Steel, Yuguang Gold and lead. Jiyuan is rich in mineral resources, which has formed energy,