The cave is famous forits stalactites and stalagmites, itscave environment and thousandsof fossilised bones. Since 1986,approximately 80,000 people have visited this cave and guided toursare provided by the municipality of Kilkis. During the Late Pleistocene,around 30,000 years ago, this caveused to be a hyena den and remainsof Late Pleistocene megafauna have been recovered in the sedimentsof the cave.
Source and for more information about the Cave of Agios Georgios at academia.edu