Dafni or Daphni (Greek Δαφνί before the spelling change, Dafnion Δάφνιον or Daphnion) is a monastery 11 km north-west of downtown Athens in Chaidari, south of Athinon Avenue (GR-8A). It is situated near the forest of the same name, on the Sacred Way that led to Eleusis. The forest covers about 15 to 20 km².