San Jose,[A] officially San José (/ˌsæn hoʊˈzeɪ, -ˈseɪ/; Spanish: [saŋ xoˈse]; Spanish for 'Saint Joseph'),[B] is a major city in the U.S. state of California that is the cultural, financial, and political center of Silicon Valley and largest city in Northern California by both population and area. With a 2020 population of 1,013,240, it is the most populous city in both the Bay Area and the San Jose-San Francisco-Oakland Combined Statistical Area, which contain 7.7 million and 9.7 million people respectively, the third-most populous city in California (after Los Angeles and San Diego and ahead of San Francisco), and the tenth-most populous in the United States. Located in the center of the Santa Clara Valley on the southern shore of San Francisco Bay, San Jose covers an area of 179.97 sq mi (466.1 km2). San Jose is the county seat of Santa Clara County and the main component of the San Jose–Sunnyvale–Santa Clara Metropolitan Statistical Area, with an estimated population of around two million residents in 2018.
Sichuan, referred to as Sichuan or Shu, is one of the 23 provinces in China, the capital of Chengdu. It is located in the inland of southwest China, bounded by 26 °03 north latitude 34 °19 miles north latitude and 97 °21 miles east longitude 108 °12 'east longitude, connecting Chongqing to the east, Yunnan and Guizhou to the south, Tibet to the west, Shaanxi, Gansu and Qinghai to the north. The geomorphology of Sichuan Province varies greatly from east to west, and the topography is complex and diverse. it is located in the transitional zone between the first Qinghai-Tibet Plateau and the second plain of the middle and lower reaches of the Yangtze River, which is located in the Chinese mainland topography. The topography is high in the west and low in the east. It is composed of mountains, hills, plain basins and plateaus. Sichuan Province has three major climates, namely, the humid climate in the middle subtropics of Sichuan Basin, the subtropical semi-humid climate in the mountains of southwest Sichuan, the alpine plateau climate in northwest Sichuan, and the overall pleasant climate.