A man was found dead by firemen who were called in on Friday to put out a blaze which reportedly started in makeshift shelters near a container home camp in Menidi, north of Athens.
According to information, the man, aged about 65, was found inside a container. He has not been identified yet.
Fifteen firemen with five vehicles managed to contain the blaze.
The Kapota camp was created in 1999 for people who lost their homes in a deadly earthquake.
The fire service has opened an investigation into the cause of the blaze.