The medieval German forms of the name (literally, 'high hill') are the result of folk etymology.

[2] The parish church in the settlement is dedicated to Saint Bartholomew (Slovene: sveti Jernej) and belongs to the Roman Catholic Diocese of Celje.

[6] Vojnik is the site of three known mass graves from the period immediately after the Second World War.

The Višnja Vas 1 Mass Grave (Slovene: Grobišče Višnja vas 1), also known as the Hmezad Mass Grave (Grobišče Hmezad), is located north of the settlement, north of the building at Vojnik no.

[7] The Višnja Vas 2 Mass Grave (Grobišče Višnja vas 2) is located north of the settlement, on the right side of the road from Celje to Slovenske Konjice, 270 meters (890 ft) south of the building at Vojnik no.