Irkutsk Ostrog
Location
Address
Irkutsk, Nizhnyaya Naberezhnaya Street
Irkutsk ostrog is a fortress founded in 1661 by the explorer Yakov Pokhabov, whose monument stands in the area of the ostrog’s foundation. 1661 is considered to be the year Irkutsk was founded. The prison stood on the bank of the Angara River, opposite the Irkut River, after which it got its name. Till the end of the 18th century, it served as a defensive system against possible raids by nomads from border states.