Sunnyvale

Sunnyvale, California is a place only mentioned in Fallout: New Vegas.

Background
Sunnyvale is where the platinum chip was created for House, it was to be hand-delivered to him by the Courier but external forces intervened.

Behind the scenes
Sunnyvale is a major technology hub in the Bay Area. The area that houses Sunnyvale and other surrounding cities is called Silicon Valley. Silicon Valley is famous for all it's technological companies such as Intel and Apple.