The death toll in the fire in the Greek region of Attica rose to 91 after four people succumbed to their injuries in hospitals, country's health authority said.
As of Sunday, 25 people were listed as missing, according to the local emergency services.
Twenty-eight victims of the fire that ravaged the seaside region remain unidentified.
According to the health authority, ten victims are still in the intensive care unit, and a total of 43 adults and one child are still hospitalized.
Greek Prime Minister Alexis Tsipras on Monday paid his first visit to the area ravaged by the country's worst ever wildfires as anger mounts over his government's response to the disaster.
His trip was not announced beforehand in what local media said was a bid to avoid protests by residents of the hard-hit seaside villages east of Athens -- Mati and Rafina.
Tsipras met the region's local authorities and fire brigade officials for about an hour, the brief official statement said.
Tsipras' visit comes a week after the disaster and aides said that he had been busy coordinating the response from Athens. His coalition partner went to Mati on Thursday and was shouted at by survivors.