Armenia invited to 3+3 format meeting in Tehran - Tehran Times

Foreign office: Georgia won't attend 3+3 format meeting in Tehran

Iranian transport minister visits Armenia to pursue expansion of ties - Tehran Times

Armenia - Tehran Times

Armenian, Azerbaijani Foreign Ministers To Meet October 23 In Tehran With Regional Counterparts

India, Iran, Armenia form trilateral grouping, 1st round of talks focuses on economic issues, communication

Armenian, Azerbaijani Foreign Ministers To Meet October 23 In Tehran With Regional Counterparts

Iran ambassador to Russia: South Caucasus stability, security are on 3+3 meeting agenda

Meeting of foreign ministers in '3+3' format kicked off in Tehran

Armenia-Azerbaijan: Iran's Rising Role in the South Caucasus

Iranian FM: Tehran Welcomes Peace Talks Between Armenia And Azerbaijan, 3+3 Format - Iran Front Page

Armenian, Iranian leaders emphasize need to boost trade to 3 billion USD, PM Pashinyan's visit completed

Lavrov arrives in Tehran to attend 3+3 format meeting on situation in South Caucasus - Russian Politics & Diplomacy - TASS

Armenia is invited to 3+3 format meeting soon to be held in Iran - Armenian MFA