However , the area has historically been Armenian , known as the Kingdom of Artsakh or Khachen .
In the view of Nadia Milanova , Nagorno - Karabakh represents a combination of separatism and irredentism .
The area has historically been Armenian , known as the Kingdom of Artsakh or Khachen .
In the view of Nadia Milanova , Nagorno - Karabakh represents a combination of separatism and irredentism .