We've had a very nice time in Konstantinos place during our visit in athens. It is very very close to the center and it's easy to walk around and find nice streets, restaurants and bars all the time. Also the way to the Acropolis was beautiful and felt like a footstep away. The trainstation is close and many restaurants are around. Konstantinos helped us with all the important things, so we are happy to recommend a stay in the nice and cosy apartment of him