Branches of international law that are closely related to international and non-international conflicts and armed conflicts, therefore, an attempt will be made to implement these principles in the Nagorno-Karabakh conflict. From the point of view of international law, the disputed area is recognized as a part of the territory of Azerbaijan, and no country has recognized the self-proclaimed Republic of Armenia there. From the point of view of international law and based on the resolutions of the Security Council, the Karabakh region belongs to Azerbaijan. This research aims to examine the legal dimensions of the Nagorno-Karabakh crisis and seek an answer to the legal effects of the Nagorno-Karabakh crisis, the results of which are undeniable and legitimate based on the rights of the Republic of Azerbaijan in maintaining its territorial integrity. Its territorial integrity should not pose a threat to the existence of the Armenian people of Karabagh. In general, based on the acceptance of the principle of territorial integrity on the right of nations to self-determination in international law, any action against this principle is not legitimate, and the right to self-determination is accepted as long as the aforementioned principle is not harmed.