Vaggelis Fasois, 85, was found wandering in the cold by a shop owner in the Nea Philadelphia area one day after his disappearance.
The authorities were immediately notified and soon the elderly who is suffering from dementia returned to his family.
The 85-year-old was lost on Monday, December 17, from Kallithea where he is living. He left his house for his everyday walk and lost his orientation.
For his disappearance had been issued Silver Alert.