Most visitors to Gabon must obtain a visa in advance, either from one of the Gabonese diplomatic missions or online, unless if they are a citizen of one of the visa-exempt countries.
[14][15] The e-Visa system is usable by citizens of any country that requires a visa to visit Gabon.
The e-Visa is issued 72 hours after the application and is valid only for those arriving via Leon Mba International Airport in Libreville.
[16] Transit without a visa is possible for travellers continuing their trip to a third country by the same or first connecting plane within 24 hours or by the same plane if they are the citizens of the following countries: Albania, Armenia, Azerbaijan, Belarus, Bulgaria, People's Republic of China, Czech Republic, Georgia, Hungary, Kazakhstan, Democratic People's Republic of Korea (North Korea), Kyrgyzstan, Moldova, Mongolia, Montenegro, Poland, Romania, Russia, Serbia, Slovakia, Tajikistan, Turkmenistan, Ukraine, Uzbekistan and Vietnam.
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.