Hundreds of villagers have been evacuated as firefighters battle the flames in Evia.
The last month has seen deadly wildfires, monsoon rains and droughts hit several countries.
By Prof Stefan H. Doerr & Dr Cristina Santín
Greek fire survivors confront the defence minister, saying they waited hours for help from authorities.
Video shows people taking refuge in the sea as they try to escape wildfires in the area of Rafina.
Susan Margaret Stephos speaks about her experience of being caught up in the wildfires in Greece.
Katerina Pantelidis tells the BBC's Gavin Lee how she survived the devastating wildfires in Greece.
By Jasmine Taylor-Coleman