No advance approval needed. Show up with a valid passport.

No advance approval needed. Show up with a valid passport. Permitted stay is N/A.

United States passport holders can typically stay in Vatican City for N/A under the standard entry rules. Longer stays require a separate long-term visa.

Open borders but de facto follows Italian visa policy. No foreign accommodations, residency restricted to Vatican citizens only. Even though no hotels exist in the Vatican, there is no limit to how many times a person may enter the country in a year.

For short business visits like meetings or conferences, United States citizens typically enter Vatican City under the same rules as tourists. For paid work, long assignments, or activities beyond what a tourist visa allows, a dedicated business or work visa is required. Confirm specifics with the Vatican City embassy or consulate.