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.
Dezhou, known as Ande in ancient times, is a prefecture-level city in Shandong Province for short. Located in the northwest of Shandong Province and the alluvial plain of the lower reaches of the Yellow River, it is the northwest gate of Shandong Province, Cangzhou City, Hebei Province to the north, Jinan City and Liaocheng City to the south, Hengshui City, Hebei Province to the west, and Binzhou City to the east. Dezhou City is the alluvial plain of the Yellow River. in history, there have been two great migrations of the Yellow River and thousands of breaches, creating a topography of high in the southwest and low in the northeast. The basic climate is characterized by the significant influence of the monsoon, distinct seasons and a clear boundary between hot and cold, dry and wet; the administrative area covers an area of 10356 square kilometers, with a resident population of 5.7958 million (by the end of 2017), and has jurisdiction over 2 districts, 7 counties and 2 county-level cities. 1566 Dongfeng Dongfeng Road, Decheng District. Dezhou is China Sun City, Chinese functional Sugar City, and excellent Tourism in China.