We stayed three nights in Ioannis & Iris´s apartment.
It's small but had everything I needed, the price for it was very appropriate and the location - Not much to say but - MARVELOUS (6 stars), in the heart of Athens from where all the sights are within spitting distance.
You'll also find plenty of cafes and restaurants.
I chatted (and once met him) mostly with Ioannis and he responded to all questions or requests in no time.
He offered the typical greek hospitality for which Greece is famous - Efaristo !!!