Armenia has a visa-free regime for many countries.
Check if you need a visa on the website – https://www.mfa.am/en/visa
The passengers are NO LONGER REQUIRED to present a COVID-19 PCR test or a Certificate of complete vaccination against COVID-19 to enter the Republic of Armenia. For foreigners, the entry to the Republic of Armenia continues to remain open both via air and land borders. More details – https://www.gov.am/en/covid-travel-restrictions/