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.
Zhengyang County, which belongs to Zhumadian City, Henan Province, is located in the southeast of Zhumadian City, Henan Province, on the coast of Huaihe River, facing Luoshan and Xinyang in the south, Xincai and Xixian in the east, Runan and Pingyu in the north, and Queshan in the west. Beijing-Hong Kong-Macao Expressway, Daguang Expressway, Shanghai-Shaanxi Expressway and Xinyang Expressway look around. The county covers a total area of 1903 square kilometers, with 19 townships, 294 administrative villages (neighborhood committees) and 1421 villagers with a total population of 800000, including 2.3 million mu of arable land and more than 3 mu of arable land per capita. Zhengyang history, known as "plaster sorghum plentiful land", known as "half a meter and a half, it is difficult to buy Zhengyang County" reputation, with peanuts, pigs, wheat three national "top 100 agricultural county business cards", is the country's largest peanut planting county, pigs transferred out of the largest county