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.
Yingjing County, which belongs to Ya'an City, Sichuan Province, is located on the western edge of Sichuan Basin, in the hinterland of Ya'an City, Yucheng District of Ya'an City in the northeast, Hongya County in the southeast, Hanyuan County in the southwest, Luding County in the west, and Tianquan County in the north, 61 kilometers from east to west and 53 kilometers from north to south. The geographical location of Yingjing County is between latitude 29 °29 "29 °56" north and longitude 102 °20 "102 °56 'east. In 2015, Yingjing County covers an area of 1781.04 square kilometers and has jurisdiction over 3 towns and 18 townships. It is a subtropical monsoon climate with mild climate, four distinct seasons and abundant rainfall, with an average annual temperature of 15.2℃, an average annual sunshine of 886.6 hours and an average annual rainfall of 1133.1 mm. The county government is stationed at No. 1 Xiangyang Lane, Yandao Town. There are 17 ethnic minorities living in Yingjing County.