Temperatures in Greece are expecting to soar to up to 40 degrees Celsius as the Mediterranean country is hit by another heatwave, the meteorological agency said on Sunday.
A high risk of wildfires applies in large parts of Greece due to extreme drought and strong winds.
Seven climatized halls opened their doors in Athens on Sunday to provide relief to citizens seeking shelter from the heat.
City workers and volunteers are supplying 130 water stations for street animals with fresh water to keep them hydrated, according to the city administration.
Authorities have urged residents and tourists to avoid direct sunlight and remain in shady, cool locations.
Doctors warned on Greece's national radio that the elderly and those suffering from chronic diseases are particularly at risk during a heatwave.
