Serbia

Learn about the U.S. relationship to countries around the world.Visit the Embassy of Serbia's website for the most current visa information.U.S. citizens do not need a visa to enter and stay in Serbia for up to 90 days. It is important to enter and exit Serbia using...

SaoTomeandPrincipe

Learn about the U.S. relationship to countries around the world.You must present a passport and proof of yellow fever vaccination to enter Sao Tome and Principe. Holders of a valid U.S. passport do not require a visa when visiting for a period of up to 15 days. Apply...

SanMarino

Italy is a developed democracy with a modern economy. The Holy See is a sovereign entity that serves as the ecclesiastical, governmental, and administrative capital of the Roman Catholic Church, physically located within the State of the Vatican City inside Rome, with...

Samoa

See the Department of State’s Fact Sheet on Samoa for information on U.S.-Samoa relations.Samoa offers four types of entry visas: Visitor, Temporary Resident, Permanent Resident and Ministerial.Visitors to Samoa can apply for a 90-day Visitor Permit on arrival....