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.
Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province under the jurisdiction of the Autonomous Prefecture, close to the Chengdu Plain, the overall outline of the state surface is a typical plateau, the terrain is high, the vertical climate is remarkable; it has jurisdiction over 1 county-level city and 12 counties, with a total area of 84242 square kilometers; in 2017, the resident population is 940100. Aba Tibetan and Qiang Autonomous Prefecture has world-class tourist attractions such as Jiuzhaigou, Huanglong and Wolong Siguniang Mountain giant panda habitat. There are Malkangzhuokeji chieftain official village, Songgang Zhibozhai building (including Qiang village bunkers), Songpan ancient city wall, Rangtang Bangtuo Temple, Suoerji Temple, Yingpanshan and Jiang Weicheng sites, Rismanba bunkers, long March relics of the Red Army in Aba Prefecture, and other national key cultural relics. In 2017, Aba Tibetan and Qiang Autonomous Prefecture achieved a GDP of 295.16.