Ternopil, known until 1944 mostly as Tarnopol, is a city in western Ukraine, located on the banks of the Seret River. Ternopil is one of the major …Ternopil, known until 1944 mostly as Tarnopol, is a city in western Ukraine, located on the banks of the Seret River. Ternopil is one of the major cities of Western Ukraine and the historical regions of Galicia and Podolia. The population of Ternopil was estimated at 225,004.