A Sao%20tome%20and%20principe.asp visa is a stamp or endorsement placed by officials of Sao%20tome%20and%20principe.asp on a passport that allows the bearer to visit Sao%20tome%20and%20principe.asp. Visas are obtained from the Embassy or consulates of Sao%20tome%20and%20principe.asp for your visit. "Visit" is further defined as the reason for entry, usually business, tourist or transitory. There are over 270 countries that offer visas and literally thousands of different types of visas available based upon country, type of visit, and length of visit.