The Schengen zone consists of 26 countries in the EU with a border agreement allowing those exempt from social visit visa requirements to enter for a maximum of 90 days in any 180 day period. This specifically applies to US/CA/AU citizens and is somewhat troublesome to calculate. In trying to figure this out, I came across these utilities which might help: The official EU one, a less cluttered Visa Calculator, and an iOS app, 90 – Schengen.
What an incredible birthday month! A whirlwind tour of Rome, Paris, Madrid and Barcelona. The sights! The food! Just … wow! Check out the pix in the gallery.