there are very few Laundrettes in Athens. the one that is strickly a Self Service Laundry is called "WASH DRY & GO" and it's on 140 Michael Boda st. near Athens downtown. It can be easily approached with metro at Station Attiki. The place is clean , neat with very affordable price. There is also a web site for more information about it. www.washdryandgo.gr Happy washing!!!