You can get visa just on arrival to Yerevan: in the airport of Yerevan. Usually, it lasts about 20 – 25 minutes. Price for 21 days is 3000 drams (about 8 $ or 6 Eur ) and 15000 drams – for 120 days (about 41 $ or 40 Eur ). On expiry of visa, you should prolong it, paying 500 drams for a day (about 1, 6 $ or 1, 3 Eur ). You can also get visa before the arrival, connecting to the Ministry of Foreign Affairs on the following address: http://www.mfa.am/visa/. Armenian e-visa costs 10 $ for 21 days and 60 $ – for 120 days. Only cards are accepted for payment.