THE COLLECTION OF ARMS at Ptuj Castle is of national importance, as it comprises more than 500 pieces of various cold weapons, firearms, hunting and sporting weapons, and protective equipment dating from the 15th to the 20th centuries. Most of the exhibited items come from the nearby Vurberk Castle, while some pieces were collected by members of the Ptuj Museum Society.

Musical instruments from Archaeological Heritage
One of the most important exhibits of the Ptuj museum is a tibia, a rare archaeological find dating from the 2nd or 3rd century AD. The ancient double flute, artfully crafted from bone coated with thin layers of bronze and brass sheeting, must have already been a treasure in the time of Roman Poetovio. The Romans believed that the tibia possessed magical powers; its music would chase away evil spirits and invoke the good ones. Finds of ancient musical instruments are very uncommon, which is why the pieces of the tibia excavated by archaeologists in Ptuj in 1988 are a rarity of global importance!