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.
Yunfu City is located in the central and western part of Guangdong Province, south of the middle reaches of the Xijiang River, adjacent to the Pearl River Delta, bordering Zhaoqing, Foshan, Jiangmen, Yangjiang, Maoming and Wuzhou, Guangxi. The urban area is more than 140 kilometers away from the provincial capital Guangzhou and 177 nautical miles away from Hong Kong by waterway. In April 1994, a prefecture-level city was established, under the jurisdiction of Yuncheng District, Yunan District, Xinxing County and Yunan County, in charge of Luoding City. Yunfu is one of the cities in the Pearl River Delta urban agglomeration and an important node city in the Pearl River-Xijiang Economic Belt. Yunfu is rich in mineral resources. Yunfu is one of the important polymetallic mineralization concentration areas in China, in which the reserves and grade of pyrite rank first in the world and are known as the "sulfur capital". It is the largest production base of sulfur chemical industry in China and the largest production base of stainless steel tableware in Guangdong Province. Stone processing has a long history and is known as the "stone capital". Yunfu is the center of China's stone base.