The village of Lchashen is on the northern slope of the Geghama Mountain range. The village is located higher as compared with the surrounding territory. LchashenSettlement is one of the most important historical and archaeological sites in Armenia situated to the eastern part of themodern village of Lchashen. It has been declared an open-air museum due to ancient monuments that have auniversal value of importance.    

The settlement dates back to pre-Urartian times. The excavations revealed traces of prehistoric castle-fortresses, cemeteries and separate obelisks. The History Museum is home to numerous archaeological materials, Military chariot and carriages found during excavations. The visitors can still find the ruins of thecyclopean fortress andIshtikuni city, located 2 km South of the village, as well as thecuneiform inscription of Argishti the Firstabout the capture of Ishtikuni city.

Famous cyclopean fortress and the surrounding settlement are located on the hill rising in the Southern part of  Lchashen village. The settlement occupies a territory of 55 ha and stretches on 15 hills, their slopes and canyons. The fortress had 2 acropolises, 22 small and huge stone hills and towers. The fortress is covered by a great number of ruins. The fortress doors were built on the highest slopes of the hills, including inaccessible cliffs.