title: History of the Syganak Irrigation
abstract: When studying medieval cities, along with the complex issues, including the structure, defense system, localization of cities according to written sources, identifying economic districts, is the study of the ancient irrigation system. Although the city of Syganak is mentioned in Arabic and Persian sources of the 10th century, we can find data on the irrigation system of the city in the work of the 16th century “Mikhman-name-iy” by Bukhara Fazlallah ibn Ruzbikhan. The waqf letters discovered by V
journal: Povolzhskaya Arkheologiya (The Volga River Region Archaeology)