The space is as pictured in a secure building and we were very comfortable there. When we choose places to stay, we often do choose to be a bit further outside of the center for the sake of quietness. This is about a 15-20 minute walk to the Acropolis across one busier street (with traffic lights). The area is less touristy and more mixed, with an excellent Michelin starred restaurant right around the corner (eat at CTC if you are into that), and another great restaurant around the same area (Rakor). But that feeling of being less touristy does come with more “open spaces” that are maybe on their way to be restored but are currently not in use. I find this to be typical of Athens unless you are in the middle of the tourist center. We always felt safe there (we walked everywhere at all times of the day). I think it is personal preference whether you prefer busier and more filled in tourist hub or mixed quieter space.