Northern Artsakh (Armenian: Հյուսիսային Արցախ, Hyusisayin Artsakh), sometimes referred to as Lower Artsakh (Armenian: Դաշտային Արցախ Dashtayin Artsakh) is a geopolitical concept used in the Republic of Armenia to refer the region in north-western Azerbaijan, lying north of Nagorno-Karabakh Republic (Mountainous Artsakh) and between the Kura river and the border of the Republic of Armenia, which had a significant Armenian population from antiquity up to the 1987–1992, when Nagorno-Karabakh conflict broke out.