On October 21, Deputy Minister of Foreign Affairs Vahan Kostanyan received Leslie Akyaa Opoku-Ware, the newly appointed Ambassador of the Republic of Ghana (residence in Moscow), on the occasion of handing over a copy of her credentials.

On October 15, in Geneva, Deputy Foreign Minister of the Republic of Armenia Vahan Kostanyan participated and delivered remarks at the 75th Session of the Executive Committee of the United Nations High Commissioner for Refugees (UNHCR). 

On October 8, in Berlin, Deputy Minister of Foreign Affairs of the Republic of Armenia Vahan Kostanyan participated in the round-table discussion entitled “Climate change impacts on crisis management and mediation” at the Berlin Climate a

On September 22, in New York, on the margins of the Summit of the Future, Deputy Foreign Minister of Armenia Vahan Kostanyan participated and delivered remarks at an Interactive Dialogue entitled “Enhancing multilateralism for international pea

On September 13, on the sidelines of the 10th IPU Global Conference of Young Parliamentarians, Deputy Foreign Minister of Armenia Vahan Kostanyan and Felipe Paullier, the Head of the United Nations Youth Office, Assistant Secretary-General for Youth

On September 11, on the sidelines of "Yerevan Dialogue", Deputy Foreign Minister of Armenia Vahan Kostanyan had a meeting with Camille Grenier, the Executive Director of the Forum on Information and Democracy.  

On September 11, within the framework of the "Yerevan Dialogue" international forum, Deputy Foreign Minister of Armenia Vahan Kostanyan had a meeting with Deputy Executive Secretary of the United Nations Economic Commission for Europe Dmitry Mariyasi

On September 11, within the framework of the “Yerevan Dialogue” international forum Deputy Foreign Minister of the Republic of Armenia Vahan Kostanyan had a meeting with Deputy Foreign Minister of the Islamic Republic of Iran Hassan Moham

On September 3, on the sidelines of the Bled Strategic Forum, Deputy Foreign Minister of Armenia Vahan Kostanyan had a meeting with Jakub Wiśniewski, the Undersecretary of State at the Ministry of Foreign Affairs of Poland. 

On September 3, within the framework of the Bled Strategic Forum, Deputy Foreign Minister of the Republic of Armenia Vahan Kostanyan had a meeting with Marko Stucin, State Secretary for European Affairs of Slovenia.