And from destroyed barrow which is contemporary with Nahajir fortress have been found mono chrome painted potteries of the beginning of the 2nd millennium BC.

The cyclopes-type defensive walls were built of large rocks on the southern and eastern slopes of the mountain, on the terraces.

The width of its walls are 2–2.5 m. The fortress was built to protect from attacks of enemies, by the ancient tribes who developed in cultural aspect and lived on the plain in south slope of the Nahajir Mountain.

The thickness of cultural layer is 3 m. From the place of residence were discovered the fragments of the clay pot in monochrome painted in gray and black colored, grain stones, graters and pestle.

Based on an analysis of the findings, experts, is believed that people have started to settle in this territory which is located in the favorable geographical and strategic position in the end of the third millennium BC.

The monochrome plates were decorated with broken and wavy lines, geometric shapes (triangle, circle, etc.

The images of the animals, birds and people on the colored plates is similar to the drawings of Gamigaya in its size, schematic and motive.