Serbia and Sao Tome and Principe signed an agreement of abolishing visas for diplomatic and service passports on 6 July 2022.
[4] Visa waiver agreements were signed between São Tomé and Príncipe and Saint Kitts and Nevis and Togo and they are yet to be ratified.
[5][6][7] Holders of ordinary passports issued by China, Hong Kong, and Macao may obtain a visa upon arrival valid for 15 days.
Transit passengers must have a confirmed onward ticket for a flight to a third country on the same calendar day.
2 Azerbaijan, Georgia, Turkey, Kazakhstan, Russia and the partially recognised republics of Abkhazia and South Ossetia each span the conventional boundary between Europe and Asia.