The city of Athens is surrounded by four mountains on its each side. It has Mount Parnitha to the north, Mount Aegaleo to the west, Mount Hymettus to the east and Mount Penteli to the northeast. Also it has a number of hills around the city with Lycabettus being the tallest amongst them.

It has a subtropical Mediterranean climate whereby it has hot and dry summers and mild winters, receiving very less rainfall. Due to the urban heat island of the city the summers are very hot and there are severe heat waves.