A wildfire erupted Saturday in the northwestern Peloponnese region of Achaia, according to fire officials.
The blaze has been burning a forested area in Zeria village where nearby villages of Ano Zeria, Kamares and Lampiri, including Zeria, have been evacuated.
Authorities said five people have been taken to the hospital with breathing problems while 20 houses have been burned.
About 290 firefighters, along with 75 vehicles and teams on foot are battling the blaze.
The European Emergency telephone number 112 has been activated for the affected area.
Residents in the coastal community of Loggos at Aegialia were also removed because the fire is spreading to coastal communities.
Twenty guests at a hotel in Loggos have also been evacuated by the Coast Guard, while 15 people have been transferred from a coastal area in Kamara to the port in Aegion by the Coast Guard, according to officials.
Meanwhile, traffic on the main national road connecting Patra-Corinth has been closed.
Authorities said several fires have broken out in parts of the country.