Isetskaya province as a new territorial-administrative formation in the Southern Urals in the frontier zone. About the collection of documents “Isetskaya province: everyday life in the documents of the Miass fortress”

The review gives a general idea of the collection of documents on the history of the eastern part of the Southern Urals in the 18th century, published in December 2024. The Isetskaya Prov-ince, created in 1737 during the activities of the Orenburg expedition (since 1737, the commis-sion), occupied the southeastern part of the Southern Urals: in the north it bordered on the Yeka-terinburg department, in the south – on the nomadic camps of the Kyrgyz-Kaisaks (Kazakhs), in the west – on the Ufa province, in the east – on the Siberian province. That is, the new territo-rial and administrative entity was located in the frontier zone at the junction of the Southern Urals, Western Siberia and Central Asia. In this frontier zone, in connection with the Bashkir up-rising of 1735–1740, fortresses were built along the route of convoys with food to the construc-tion site of Orenburg. They were mostly peasants who were registered as Cossacks. One of these fortified points was the Miass fortress. In terms of the number of Cossacks, the Isetsk province in 1748 occupied first place in the Orenburg province among other territorial-administrative divi-sions of the Orenburg Cossack army. Therefore, the published documents are related to the Cos-sack history of the Southern Urals.