Christos' flat is an excellent find! I needed a central pied á terre which would allow me to walk every where during the transportation strikes, and this one was excellent. It's in between two good thoroughfares, so there are buses and taxis, but the whole flat faces the quiet connecting street, so the noise isn't intrusive. There are late night kebab shops and tavernas, supermarkets, and coffee places/ bakeries all within a very close walk of the flat. The neighbourhood itself is very bohemian and cool, and I've always found it safe to walk around at all times of the day or night. It's also very close to many attractions, especially the famous, must-see Archaeology museum!
Christos was always in contact to answer my questions, and when I checked in, Christos' mother was actually at the flat to greet me, and was very kind and accommodating -they even left me a nice gift of some ouzo to greet me! This is a pretty perfect and comfortable flat for anyone wanting a stay in Athens!