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.
Loudi is an important prefecture-level city under the jurisdiction of Hunan Province, located in the center of Hunan Geography, the permanent host of Hunan Expo, an important industrial city of Hunan, Hunan energy, regional circulation node city, and strategic reserve base of raw materials. it is an important part of the urban agglomeration in the middle reaches of the Yangtze River and the Changsha-Zhuzhou-Xiangtan urban agglomeration, and is known as the "Pearl of Central Hunan". It has jurisdiction over 3 counties and 2 cities, including Louxing District, Lengshuijiang City, Lianyuan City, Shuangfeng County and Xinhua County, with a total area of 8117 square kilometers. According to legend, among the 28 stars in the sky, "Lou Xing" and "Luo Xing" reflect each other here, hence the name. Loudi is the hometown of Chiyou, one of the three ancestors of the Chinese nation who is respected by later generations as the "god of war". It is one of the main birthplaces of Huxiang culture, including Meishan Dragon Palace, Zeng Guofan's former residence, Ziqujie terraces and Mejiang National Geopark.