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.
Yuncheng District, which belongs to Yunfu City, is located in the central and western part of Guangdong Province, on the south bank of the middle reaches of the Xijiang River, high in the southwest and low in the northeast, bordering Zhaoqing in the east, Yunan District in the west, Xinxing County in the south and Xijiang in the north. Jurisdiction over 4 streets and 4 towns. By the end of 2018, the total population of the region will be 350000, including more than 55000 compatriots from Hong Kong, Macao and Taiwan and overseas Chinese living overseas. The 324 National Highway and the Yunyao branch of Sanmao Railway crisscross. Yuncheng District has a superior geographical environment and belongs to the subtropical monsoon area with mild climate and abundant rainfall. The region is rich in mineral resources, known as "sulfur capital" and "hometown of dolomite". There are more than 50 kinds of proven mineral deposits, among which pyrite reserves and grade rank first in the world, and marble, granite and limestone reserves are also very large. Panlong Cave in the city is a provincial scenic spot.