We really enjoyed our stay in Vivian's flat. The apartment looks exactly like in the photos and is located close to the Victoria metro station (10 min by foot), in a nice neighborhood with many local restaurants on Fokionos Negri street. Vivian's mother let us in and was very friendly, there were also toasts, jams, honey, fruits and coffee left for us for breakfast.
Vivian was very helpful and responded to all our questions quickly. She also left us some cake which was left after her husband's bday party :) We highly recommend the location and the hosts.
Tip for all the guests - you should definitely visit the Lycabetus hill which has an amazing 360 view of Athens!