Armenia and Azerbaijan are clashing in a disputed border region. What happened? Summary Fighting in Nagorno-Karabakh, a disputed region south of the Caucasus Mountains on the border of Armenia and Azerbaijan, is becoming increasingly violent. Nagorno-Karabakh is a region about the size of Delaware. It is located in Azerbaijan but its majority population is ethnically Armenian. The region held a referendum in 1988 as the Soviet Union destabilized, and voted to become part of Armenia; Azerbaijan claimed the territory and …
