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.
Luxi County is a county under the jurisdiction of Honghe Hani and Yi Autonomous Prefecture, Yunnan Province. It is located in the southeast of Yunnan Province and in the north of Honghe Hani and Yi Autonomous Prefecture. Its geographical coordinates are 103 °30 degrees north longitude, 103 °30 degrees longitude, 39 °46 #39;, 24 °15 degrees north latitudes, bordering Shizong County in the northeast, facing Qiubei County in the southeast, and adjoining Maile County in the southwest. The northwest is connected with Lunan County and Luliang County. 166km from the provincial capital Kunming, 178km from the state capital Mengzi, 176km from Qujing, 235km from Wenshan, 182km from Xingyi, Guizhou province, with a total area of 1674 square kilometers. Luxi County is located in the upper reaches of the Pearl River Basin and in the east.