In fact, Armenia lost almost two-thirds of the territory it held for the past 20 years in the frozen conflict after the break-up of the Soviet Union. Now the enclave it will still hold, under the truce, will be linked to Armenia proper by a narrow corridor which will be protected by Russian peacekeepers. Turkish peacekeepers will be deployed on the other side of the lines on the Azeri side.
Muddying the waters on Thursday Russian Foreign Minister Sergey Lavrov said no Turkish peacekeeping troops will be deployed in the region. Turkish Defense Minister Hulusi Akar contradicted him the same day and reiterated that they will be deployed.
https://www.neweurope.eu/article/the-lessons-of-nagorno-karabakh/