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.
Pingyu County, which belongs to Zhumadian City, Henan Province, is located in the east of Zhumadian City, about 60 kilometers away from the city, bordering Xincai County and Linquan County in Anhui Province in the east, Xiangcheng County and Shangcai County in the north, Zhengyang County in the south and Runan County in the west, with a total area of 1282 square kilometers. As of 2018, Pingyu County has jurisdiction over 3 streets, 11 towns and 5 townships. By the end of 2017, Pingyu County had a resident population of 721700, with a regional gross domestic product (GDP) of 21.51167 billion yuan. According to different industries, the added value of the primary industry, the secondary industry and the tertiary industry was 3.94945 billion yuan, 9.23472 billion yuan and 83.2 yuan respectively.