Oplotnica is a small town located in eastern Slovenia. It serves as the administrative seat of the Municipality of Oplotnica and is situated within the Drava Statistical Region. Geographically, it lies to the north of Slovenske Konjice along the Oplotniščica River, which is a left tributary of the Dravinja River.
The area is part of the traditional region of Styria and was formerly a territory of Austria-Hungary. It remains a rural settlement characterized by its location in the eastern portion of the country.