Zbarazh Castle (Ukrainian: Збаразький замок, Polish: Zamek w Zbarażu) is a fortified defense stronghold, built during the times of the Polish-Lithuanian Commonwealth. It dominates the crests of the Zamkova Hills of Ternopil Oblast in Western Ukraine next to the city's central plaza that was not in so distant past surrounded by marshland. The castle existence has been credited to last members of the Polish Zbaraski family; Krzysztof and Jerzy Zbaraski.