The Szelim cave is located in Hungary, on the Kő-hegy (Stone mountain) above Tatabánya (Hungarian: Szelim-barlang an other name : Szelim-lyuk (Szelim hole),Bánhidai nagy barlang (Bánhidian big cave), Eperjes-barlang, Szemi-luki, Szemi-lyuka, Szelimluk barlang, Bánhidai-zsomboly, Szent Vit-barlang).
This cave is 45 m long and 14 m tall, which a water flow hollowed out of the limestone rock. The cave the upper triad in the thick benches of limestone the rock North-East-South-West direction his fault line done, but the residue of a source cave, which turned into dry one with the bulge of the mass of the mountain, took shape conforming to the rock tilt once. Four of his entrances a spacious one, initially 25–27 m, drives into a hall with a longitude of 45 m with a width of 10–12 m, the altitude of which attains the 12–14 meters here and there, farther in. The present nadir of the cave the ceiling former from him breaking in and it is follower being washable standing ruin forms it from loess clay coming from and rubble. The cave continues presumably behind the ruin. The cave a prehistoric man proved to be a toft.
The basis of exciting historical legend which is in connection with the cave, is that the rain water flowed through the cave's flue washed away human bones from the soil during centuries.
The archeologist of the Hungarian National Museum did an excavation on this area in the 1930s, later stating that the legendary disasters could have happened in a much earlier period, but the sliding memory of the community linked it to an event that happened centuries later.
