Not far away from Ephesus, this cave is believed to be a place where the legendary Seven Sleepers hid in order to avoid prosecution. The versions of the stories vary – some claims that they fell asleep and were awoken 300 years later, some tells that they are still waiting for the resurrection.
Wikipedia https://en.wikipedia.org/wiki/Seven_Sleepers
Address 35920, Turkey
Coordinates 37°56'37.118" N 27°21'13.331" E