Vojnik is the largest settlement and the centre of the Municipality of Vojnik in eastern Slovenia. It lies on the Hudinja River, north of Celje. The area is part of the traditional region of Lower Styria. The municipality is now included in the Savinja Statistical Region. Locals make their living from farming, but there are also many small businesses. Vojnik was first mentioned as a borough in 1306. There were many fires in the town, and the town even burned to the ground in 1839.