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.
Menglian Dai Lahu WA Autonomous County (Menglian County), located in the southwest of Yunnan Province, is an autonomous county under the jurisdiction of Pu'er City. it is an important gateway to Myanmar, Thailand and other Southeast Asian countries. Menglian County is bordered by Lancang County in the east, WA Autonomous County in the North Linxi League, and Myanmar in the west and south. The border is 133.399 kilometers long. By the end of 2018, Menglian County has jurisdiction over 2 townships and 4 towns, covering an area of 1893.42 square kilometers, with a resident population of 142000. In 2017, Menglian achieved a GDP of 2.877 billion yuan in the county, an increase of 10%, a local general public budget income of 167 million yuan, an increase of 10%, a local general public budget expenditure of 1.756 billion yuan, an increase of 16.1%, and fixed asset investment of 2.677 billion yuan, an increase of 10%.