We were in Dionysios' flat for one night. Dionysios is very friendly and attentive. He answers all messages very fast and helpful. He even offered us drinks in his restaurant upon arrival which was very nice.
The flat is in the center of Brussels. The Grand Place is just a few minutes by foot and even the royal palace is just 15 minutes away. So, you can arrive everything for a great stay in Brussels.
The flat is in the third floor of an old building which means that the walls and windows are not very well isolated against sound. We could hear the activities on the street and in the neighbouring apartments. Fortunately, it was a weekday and it was not too full on the streets.
Besides this, the apartment has everything that you need for a great stay.