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.
Bazhou is a county-level city hosted by Langfang City, and one of the first expanding counties and cities in Hebei Province, located in the east of Jizhong Plain in Hebei Province, located in the center of the triangle zone of Beijing, Tianjin and Bao, and belongs to the urban agglomeration around Beijing, Tianjin and Bohai Sea. It is 80 kilometers north of the capital Beijing, 70 kilometers east of the seaport city of Tianjin, and 65 kilometers west of the ancient city of Baoding. Has a long history, Qin belongs to Guangyang County, Han Zhuojun Yichang County, Zhou Xiande six years after the five dynasties (AD 959) built Bazhou. After Jin, Yuan, Ming and Qing dynasties, all of them were Zhili Guan. In 1913, the prefecture was changed into a county, which is a special zone of Jingzhao. In February 1990, the State Council approved the withdrawal of counties and the establishment of cities, which opened a new page in the history of Bazhou.