Vinnytsia is a city in west-central Ukraine, located on the banks of the Southern Bug. It serves as the administrative center of Vinnytsia Oblast. It is the largest city in the historic region of Podillia. It also serves as the administrative center of Vinnytsia Raion, one of the six raions of Vinnytsia Oblast. It has a population of 369,739. The city's roots date back to the Middle Ages. It was under Lithuanian and Polish control for centuries.