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.
Gongga County is under the jurisdiction of Shannan City, Tibet Autonomous region of the people's Republic of China, which is located in the south of Tibet Autonomous region and in the valley of the middle reaches of the Brahmaputra River. As of 2013, Gongga County has jurisdiction over 5 towns, 3 townships, 43 administrative villages (communities) and 168 villages. Gongga County has a total area of 2386.11 square kilometers and a total population of 50, 000. County people's government in Jixiong town. The terrain of Gongga County is high in the west and low in the east, which belongs to the arid monsoon climate zone of the plateau. Gongga County has a long history of handmade wool spinning, and "Jade Show apron" is famous both at home and abroad. Gongga County is the location of Gongga International Airport in Lhasa and is a famous aviation county in Tibet. On February 6, 2019, the people's Government of the Tibet Autonomous region decided to withdraw Gongga County from the poverty-stricken county.