British passport holders do not require visas for visits to Armenia for a period of up to 180 days. If you intended to stay in Armenia longer than 180 days, you must register with the Administration Department for Passports and Visas in Yerevan, Armenia.
Your passport must be valid for a minimum six months from the date of entry into Armenia.
The information found here is based on the response provided by the Armenian embassy. We recommend you always double check the latest information directly with the embassy before you travel. If you wish to travel for longer than the visa-free period, you should speak to the Armenian embassy directly on 0207 938 5435.