Ghazaryan thus replaces Karlen Avetisyan, who was transferred to another post.
The two discussed the recent fighting along the Tavush section of the Armenia-Azerbaijan border and the Turkish-Azerbaijani joint military exercises in Nakhijevan.
The ministry, in a statement released today, says Azerbaijani forces violated the ceasefire 22 times, firing more than 497 small caliber rounds across the border at Armenian military positions.