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.
Motuo County (English: Medog County), Tibetan: flowers, meaning "flowers". It belongs to Linzhi City, Tibet Autonomous region, and Linzhi City has jurisdiction over the county. It is located in southeastern Tibet, located in the lower reaches of the Brahmaputra River, the eastern part of the Himalayas and the southern slope of the Gangri Gabu Mountains, Chayu County in the east, India in the south (some areas in southern Tibet), Milin County, Longzi County and Cuona County in the west, Bomi County and Bayi County in the north, with a total area of 34000 square kilometers (12000 square kilometers actually controlled by China). In 2016, Motuo County had jurisdiction over 1 town, 7 townships (including 1 ethnic township), 46 administrative villages and 60 villages. In 2016, the total population of the county was 14040. In 2016, the GDP of the whole county was about 4.74.