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.
Yicheng District belongs to Luohe City, Henan Province. The central and southern part of Henan Province belongs to the plain area of the middle reaches of the Dasha River in the Huaihe River Basin. It is located at longitude 113o 45'10 east, longitude 114 °6'39, latitude 33 °34'37, latitude 33 °44'59, latitude 33 °34'39, respectively. It is bordered by Zhaoling District to the east, Zhaoling District and Yuanhui District to the southeast, Shahe River to the south, Wuyang County to the southwest, Linying County to the northwest and Linying County to the north, and Zhaoling District, Linying County, Zhoukou City and Xihua County to the northeast. The region has a total area of 413.1 square kilometers, with a total population of 528000 in 2012, and has jurisdiction over 8 townships and Shabei streets. Politics, Finance and economy of Luohe City