By the “territories of Azerbaijan” and “Azerbaijani lands” is presumably meant any part of Nagorno-Karabakh not yet attacked and seized by the Azerbaijan-Turkey one nation, two states military bloc.

Illegal visit of the Minister of Defense of Armenia to the territory of Azerbaijan – military-political provocation – Ministry of Defense

[T]his is stated in the statement of the Ministry of Defense of Azerbaijan.

“…The unauthorized visit of the Armenian Defense Minister to the Azerbaijani lands, holding meetings with illegal Armenian formations and expressing an opinion about their combat readiness is a military-political provocation….”

“The visit of the Armenian Defense Minister once again testifies to the fact that Armenia continues to provide direct support to illegal Armenian armed formations….We warn the military-political leadership of Armenia that in the event of a repetition of such illegal visits to the Azerbaijani lands, they will be accepted, guided by the laws of the Republic of Azerbaijan [as is; presumably will be responded to by the full might of Azerbaijan and its Turkish sponsor].

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Armenia wants to cast a shadow on the activities of Russian peacekeepers – Azerbaijani Foreign Ministry

[Leyla Abdullayeva, head of the press service of the Azerbaijani Foreign Ministry] noted that the Armenian Foreign Ministry has no political, legal or moral grounds to make any statements in connection with the territories of Azerbaijan.

At the same time, in her words, the illegal visit of the Armenian Defense Minister to the Karabakh region of Azerbaijan is another provocative act of the Armenian side.

“As for this incident, this is the result of yet another provocation of the Armenian side.