Ioannis Vroulias, 90 years old, has been missing since Friday, May 8th, from Arachova, where he lives with his wife.
That morning around 9, he left his house unnoticed.
The mobilization by the authorities of the area is great as the health problems that the elderly person faces cause concern for his fate.
He is 1.60 tall and when he disappeared he was wearing brown pants, a colorful plaid shirt, a black leather hat and black slippers.
The old man is blind in his left eye and wears an artificial denture.
Silver Alert as been signalled.