Underground and historic Hilehvar village (Hileh Var) related to
Ilkhani era has been located in distance of 3 kilometers from rocky village of
Kandovan near
Osku city in
East Azerbaijan Province. Architecture of this village is exclusive such that its houses in heart of ground is like pretty thickets and with great craved style and they have enough covers.
Two kilometers from the rocky village of
Kandovan to
Osku, in the nearby foothills, there are holes in the ground that once were inhabited by Iranian tribes.
In fact, because the houses of this village is hidden from passers sight, then it has named Hilehvar. Some of the houses are in path of sunset and sunrise which is believed that it is an indicator of people’s beliefs to Mithraism religion. Even some researchers and assumptions about this village know its oldness to median age.
What's left of the remains of Hileh Var Village indicates that livestock and human beings lived alongside each other here. Based on the similarities between this village and
Kandovan Village, explorers believe that the reason for the abandonment of the village was the migration of the people to the village of
Kandovan after the Mongol invasion.