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.
Yunan District, which belongs to Yunfu City, Guangdong Province, is located in the west of Guangdong Province, the south bank of the middle reaches of the Xijiang River, Yuncheng District of Yunfu City in the east, Xinxing County and Yangchun City in the south, Luoding City and Yunan County in the west, Xijiang River and Deqing in the north, with a total area of 1184.73 square kilometers, with 7 towns under its jurisdiction and the District people's Government stationed in Liudu Town. By the end of 2017, Yun'an District had a resident population of 286300 and a total registered population of 341600. In January 1996, Yunan County was established; in September 2014, Yunan County was abolished and Yunan District of Yunfu City was established with the consent of the State Council. The topography of Yun'an District is high in the east, south and west, low in the north, dominated by hills and low mountains; located in the south of the Tropic of Cancer, the latitude is low and close to the ocean, it belongs to the subtropical humid monsoon climate with abundant rainfall.