a mountainous landlocked region covering the southeastern range of the Lesser Caucasus mountains, and which is legally part of Azerbaijan, although unofficially it is governed by the unrecognized Nagorno-Karabakh Republic
Nagorno-Karabakh in American English
(nɑˈgɔrnoʊˌkɑrɑˈbɑk)
autonomous region in Azerbaijan, mostly populated by Armenians: 1,700 sq mi (4,403 sq km); pop. 192,000; cap. Xankāndi