Before my trip Panos contacted me to see if I needed any additional info and asked me about my arrival time. Panos was helping out Nikos since he was out of town. Panos was amazing checking in ever few days to see if I needed anything. The flat is in a great location just minutes from the center. If you arrive via airport bus or airport train, you can take the 2,4, or 11 trolley to Agios Spyridon stop which brings you very close to the flat!
All in all a nice place to stay in Athens and I'll definitely stay there again when I'm back!