Passport validity:
Six months validity recommended; three months validity beyond planned departure date from the Schengen area required.
Blank passport pages:
Must have at least one blank page for stamps
Tourist visa required:
Not required for stays under 90 days
Vaccinations:
None
Currency restrictions for entry: €10,000 maximum or equivalent
Currency restrictions for exit:
€10,000 maximum or equivalent
Source : travel.state.gov