I'm not actually disagreeing with you, I'm just saying that at some point there's an edge of SV and it does not actually reach as far north as SF. Wikipedia at

I'm not actually disagreeing with you, I'm just saying that at some point there's an edge of SV and it does not actually reach as far north as SF. Wikipedia at least seems to agree (though of course it doesn't have an edge instead saying "Southern Peninsula") http://en.wikipedia.org/wiki/Silicon_Valley http://en.wikipedia.org/wiki/Silicon_Valley Also remember the term actually didn't refer to software companies originally it referred to the semi-conductor and chip makers who pretty much stayed in santa clara county.