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.
Gongchangling District, which belongs to Liaoyang City, Liaoning Province, was established in May 1984. Between longitude 123 °14'E and latitude 123 °32'E and latitude 41 °02'N to 41 °51'. Located in the south-central part of Liaoning Province and the southeast of Liaoyang City, it is famous for its "Lingling hidden treasure, water containing gold". The border is 110.06 kilometers long, bordering Xiaotun Town, Liaoyang County to the north, Jiguanshan Township, Dengta City to the northeast, Hanling Town, Liaoyang County to the east, Tianshui Township, Liaoyang County to the southeast, Helan Town, Liaoyang County to the south and southwest, and Lanjia Town, Liaoyang County to the west and northwest. In 2014, the total area of the region was 334.397 square kilometers, including 1 township, 1 town, 3 streets and 90754 registered residents (2014). In 2014, Gongchangling District