I and a friend (F) and stayed at Evagelia's place for a mini vacation in Athens. The communication with Evagelia wouldn't have been better, she helped us with a lot of things like transportation and recommendations (she answers very quickly to messages).
We were a bit unsure about the neighbourhood before we did our booking but now when I have been to Athens this is a very normal-looking neighbourhood meaning that it's a bit rundown and there are some homeless people. But considering that there were many hotels around the area it felt like a normal place to stay for vacation. The place is extremely close to two subway stations making the transportation extremely convenient. Would 100% recommend staying at Evagelia's place if you visit Athens to do all the touristy things!