Chortkiv (Ukrainian: Чортків; Polish: Czortków; Yiddish: טשאָרטקאָוו Chortkov) is a city in Ternopil Oblast (province) in western Ukraine. It is the administrative center of the Chortkiv Raion (district), housing the district's local administration buildings.Chortkiv is located in the northern part of the historic region of Galician Podolia on the banks of the Seret River.