A U.S. citizen may remain in any Schengen country (or travel between various Schengen countries) as a tourist for up to 90 days in a 180-day period without a visa.
People Also Ask
You can stay up to 90 days within a 180-day period, which people consider a “six-month” period, but your visa is still valid for only 90 days. However, if you plan to stay in Europe for 6 months or longer, you would generally need to obtain a long-stay visa or a residence permit from a specific Schengen country.
The 90-day limit refers to the maximum cumulative duration of your stay within any 180-day period. It does not require you to stay continuously for the full 90 days. This means that you can stay for a few days, then leave the Schengen area and enter again, as long as you don't overstay 90 days within a 180-day period.
U.S. citizens with valid passports traveling for tourism or business can enter France without a visa for a period of 90 days within each six-month period.
If you intend to stay outside the United States for 1 year or more, you must apply for a re-entry permit with the U.S. Citizenship and Immigration Service (USCIS) prior to leaving the United States.
This regulation is strictly enforced in Italy. U.S. citizens may enter Italy for up to 90 days for tourist or business purposes without a visa. All non-residents are required to complete a declaration of presence (dichiarazione di presenza).
This is fine if your trips will be no longer than three months at a time, no more than twice a year. If you want to spend more than six months a year in Spain, you can't do so on a Schengen Visa, and will have to secure a long-stay visa before visiting the country.