Question: What Albania town is located on the banks of the Vjosa River in Gjirokastër County and after a 2015 local government reform the village of Progonat became part of its municipality?
Sentence (from "Kolonjë, Gjirokastër"): Kolonjë is a small village in Gjirokastër County, southern Albania, located northwest of the city Gjirokastër which is about 30 minutes away.
Relevant evidence: No