Sunnyvale is one of the major cities that make up Silicon Valley. It is the seventh most populous city in the San Francisco Bay Area.  Companies such as Juniper Networks, Advanced Micro Devices, NetApp, Yahoo, Applied Micro and Ariba are all headquartered there.  Sunnyvale is also home to several aerospace/defense companies; Lockheed Martin, Honeywell as well as several others.  Sunnyvale has many desirable neighborhoods, decent schools and a very extensive community center.  It has great proximity to commute routes and tech centers alike.