Irini Rousakis, 83 years old went missing at Wednesday 24th of January from her village, Pilalimata, Sitia.
Her relatives were informed by the nurses and they are looking for her with anxiety until today.
They are afraid that because of dementia from which she suffers, she was disoriented and unable to return.
She is 1.65 cm tall, and she wore black or brown pants, brown cardigan, black shoes and a cap.
Silver Alert has been signalled.