Trostianets Raion, Vinnytsia Oblast

Trostianets Raion (Тростянецький район) was one of raions of Vinnytsia Oblast, located in southwestern Ukraine. The administrative center of the raion was the urban-type settlement of Trostianets. The raion was abolished and its territory was merged into Haisyn Raion on 18 July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions of Vinnytsia Oblast to six. The last estimate of the raion population was