E-visa is the most preferred method for applying the Vietnam visa. Serbian passport holders just need to fill the online application provided in the website. There you need to fill the details with correct information. However, providing the correct details will save your application from rejection. So be careful in providing the details.
After completing the online application form, you need to pay for the e-visa fee. So you need to use your credit or debit card to pay the amount. You can also use Paypal account to pay the fee.
Receiving the e-visa
After completing the application process and payment, you will receive the visa to your email. You need to take a print of it to submit it in your destination port. Vietnam e-visa allows you to choose any of port to enter Vietnam: sea port, land port and airport.
https://www.vietnamimmigration.org/how-to-make-e-visa-application-for-vietnam/
