Cheap food in Athens
A few words of Greek to order your giros: One giros please: Ena Giros parakalo. pork or chicken? xirino or Kotopoulo. With everything (onions, tomatoes, etc ...): A pola. A skewer: ena Kalamaki sketo Another option: the sandwich with falafel, (there are very good place for falafel around Omonia, at the west of the square, try also the sandwich with hearts of chicken... very nutritious.
The less expensive way to eat in Greece is the inevitable Pita Giros, small pork sandwich with salad, onions, fries and tsatsiki, it costs between 1.50 euro and two euros. It is smaller than than a kebab or a doner.
It is the best ratio power / price you could find.
A Koulouri seller in Monastiraki. (round bread with sesame seeds)
The best Souvlaki place of Athens