Historically, Kajaran is located in the Dzork canton of the historic province of Syunik. The town is located on the border of two natural landscapes, alpine and highland forests at an average height of 1950 meters above sea level, on the banks of Voghji river, between the Zangezur Mountains and Meghri range. Mount Kaputjugh which is the highest peak of Zangezour Mountains at 3905 meters, is located few kilometers west of Kajaran. The relief is composed of placate rock strata of Araa river basin and is characterized by active erosion.