Great place. I went with my girlfriend, she also liked it a lot.
It was located in a very calm place but at the same time, near to everything that is worth seeing in Athens.
The host was nice and helpful and we immediately felt "at home". We quickly gave up on our initial sight-seeing plan and planned a much better one based on his knowledge and suggestions. He even gave me a small history lesson about Greece which was awesome.
We were also able to rest properly and had enough privacy to feel comfortable.
In general, great place and host. Very recommended.