• San Diego
  • Menghai County

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.

Menghai County, located in the southwest of Yunnan Province and the west of Xishuangbanna Dai Autonomous Prefecture, is located between 99 °56 °E and 100 °41'E and 21 °28 °M ü r 22 °28'N. It is bordered by Jinghong City to the east, Simao City to the northeast, Lancang County to the northwest and Myanmar to the west and south. The border is 146.6 kilometers long. The east-west horizontal distance is 77 km, the north-south vertical distance is 115km, with a total area of 5511 square kilometers, of which mountain area accounts for 93.45%, dam area accounts for 6.55%, the highest elevation is 2429 meters, and the lowest elevation is 535m. With a total population of 331850 (2010), the government is stationed in Menghai Town. Menghai County is the hometown of the world-famous "Pu'er tea" and the earliest place of tea production in China. It has the wild "tea tree king" of 1700 years ago.
Travel Notes In Menghai County