Buchach (Ukrainian: Бучач; Polish: Buczacz, Turkish: Bucaş) is a city located on the Strypa River (a tributary of the Dniester) in Ternopil Oblast (province) of western Ukraine. It is the administrative center of the Buchach Raion (district), and rests 135 km south east of Lviv, in the historic region of Galicia.