Tobolsk is a town in Tyumen Oblast, Russia, located at the confluence of the Tobol and Irtysh rivers. Founded in 1587, Tobolsk is the second-oldest Russian settlement east of the Ural Mountains in Asi

Omsk Oblast is a federal subject of Russia, located in southwestern Siberia. The oblast has an area of 139,700 square kilometers. Its population is 1,977,665 with the majority, 1.12 million, living in