Gavart, southern Fortress; the Archaeological Survey of Building Related to Pre-Islam in Isfahan

The fortresses of Iran, due to the geographic location and weather conditions have been built to two types of lowland us and mountainous. For this reason, used building materials are different in these two types. Due to the location of the city Jey and southern highway in Isfahan (that have been location of the Caravans passage from the south to the center of Iran), in Gavart area (At the highest point of Mount Gavart) has existed defensive fortress. Due to the full control Gavart fortress on southern highway in Isfahan, this fortress in addition to defensive destination has also been role of the Caravans guide. The research method of this study is based on method of historic, and in this research preliminary data is obtained from field survey. Due to the architecture style and potteries Gavart, this fortress was made in Sassanid period and has probably been used in early Islamic period. The Gavart fortress has a mountain architecture, and hasn’t regular geometric shape. In this fortress, from the top of each tower is seen roof of the front towers. This site probably has other buildings in the lower of the mountain that troglodytic building in lower of the mountain is from these buildings. This fortress is made in three levels and ten architectural parts. The ceramic founds in Gavart fortress aren’t decoration, and they have been practical. In this research, after full description of this building have been answered to the following questions: What period is this building? What is the use of this building?