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By Metro
From the airport you can take the blue metro line and disembark at Monastiraki station. Then you have to reach 114 Ermou street and turn full right on that small interchange. Go straight for 2 blocks and turn left on Ogigou street and look for number 4. The second house at your right hand has a green door. You have reached Athenian Residences. The doorbell is the left down button. From Monastiraki station to 4 Ogigou steet, it is 6 minutes walking, approximately 500 meters.
By Bus
From the airport you could embark into the bus X95 and disembark at the line end (Syntagma square) and take the blue line of metro το Monastiraki station. If you choose to come on foot from Synyagma square it is approximately 1400m.
By Boat
From Peireaus port you will look for gate E5. Its the nearest gate to the metro station. You have to embark on the green line (line 1) with direction to Kifisia (don't be confused with suburban railway). You will have to disembark at Thissio/Thesseio station. When you will be out of the station, go left till you find the Ermou street. Then you have to reach 114 Ermou street and turn full left on that small interchange. Go straight for 2 blocks and turn left on Ogigou street and look for number 4. The second house at your right hand has a green door. You have reached Athenian Residences. The doorbell is the left down button. From Thissio to 4 Ogigou street, it is 4 minutes walking, approximately 280 meters.