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.
Langfang, a prefecture-level city of Hebei Province, is located in the east-central part of Hebei Province, facing the capital Beijing in the north, bordering Tianjin in the east, Cangzhou in the south and Baoding in the west. Most of Langfang is located in the depression area due to the influence of geological structure; it is located in the middle latitudes and belongs to the warm temperate continental monsoon climate; it is located in the core of Beijing-Tianjin-Hebei urban agglomeration, around the hinterland of Bohai Sea. Langfang has jurisdiction over two districts, two county-level cities and six counties, with a total area of 6429 square kilometers and an urban area of 54 square kilometers. The registered population is 4.795 million in 2018. Langfang City is located in the central and eastern part of the North China Plain and the central part of Hebei Province. Langfang territory starts from the hilly area at the southern foot of Yanshan in the north and reaches the Heilonggang basin in the south. Langfang City is located in the middle latitudes, is a warm temperate continental monsoon climate, four distinct seasons. Langfang City is located in the middle and lower reaches of the Haihe River Basin.