This article discusses the defensive structures of the Eastern Kashkadarya oasis in the late Middle Ages. The dimensions of the arch were 42x48 meters and the height of the wall remains was 8 meters. The dimensions of the castle courtyard were 115x165 m. At present, the road passes through the territory of the fortress, and the walls of the fortress are almost not preserved. The first information about the castle is given by E.K. Meyendorf. In his diaries, the author mentions Pistachio as a city subordinated to the Shakhrisabz principality, along with Jovuz, Yakkabog and Ortakurgan.
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