The book examines certain issues in the history of the Medieval state and the law of Volga Bulgaria. The state of Volga Bulgaria was founded by Bulgarian tribes at the beginning of the 8th century. in the Middle Volga region and the Kama basin, included the territories of the modern Chuvash Republic, Tatarstan, Bashkiria, Udmurtia, the Republic of Mari El, Ulyanovsk, Nizhny Novgorod, Samara and Saratov, Penza regions, existed for more than five centuries and fell in 1236 as a result of its defeat by hordes of Tatars. of the Mongols Batu. The publication may be useful to students, graduate students, teachers of law and history faculties, as well as anyone interested in the Medieval history of Russia and the state of Volga Bulgaria. The publishing layout is saved in PDF A4 format.