Grad Planina — 12th Century Ruin Castle in Postojna, Inner Carniola

Inner Carniola, Postojna

Castle Ruin Open to Public

Castle ruin above the entrance to Planina Cave where the Unica river emerges.

Dating from the 12th century, this structure survives today as a ruin, offering a glimpse into Slovenia’s medieval past.

Notable for: Above Planina Cave entrance.

Inner Carniola