Konstantina’s apartment is super comfortable, pleasant and sparkling clean. Her hospitality went above and beyond and she left me her home made marmalade and made true efforts to check me in early. Furthermore, she is super responsive!
Yet. one downside of the apartment you should be aware of is the area: on the one hand it is very close to the city center and very accessible. On the other hand, this area is a bit rough around the edges. It's not dangerous as I myself walked outside freely at night, but some streets in the area can certainly feel a bit shady if you are alone.