evidence: The territory is recognised internationally as part of Azerbaijan but large areas of it have been controlled by ethnic Armenians for three decades. [...] The area designated Nagorno-Karabakh had a majority ethnic-Armenian population but was controlled by Azerbaijan. [...] Under the deal, Nagorno-Karabakh remained part of Azerbaijan, but since then it has mostly been governed by a separatist, self-declared republic, run by ethnic Armenians and backed by the Armenian government.