There are many Silicon Valley banks in America. 2 Silicon Valley Bank refers to a bank located in the Silicon Valley area of California. Specifically, the Silicon Valley region includes Santa Clara County, san mateo County, Alvarez County and san mateo County. As a global center of high technology, telecommunications and biotechnology, Silicon Valley has many famous financial institutions, including Silicon Valley Bank, West Coast Bank, Wells Fargo Bank and Southern Bank. Therefore, it is difficult to determine how many Silicon Valley banks there are in Silicon Valley. Silicon Valley Bank (SVB), 1983, established in the United States, is a subsidiary of Silicon Valley Bank Financial Group with assets of $5 billion. Through 27 offices in the United States, three international branches and extensive business networks in Asia, Europe, India and Israel, it has provided loans of $2.6 billion for venture capital and start-ups. Silicon Valley Bank mainly serves technology-based enterprises and has successfully helped star enterprises such as Facebook and twitter.