If you want a quiet place to stay in Berlin, this is the flat for you. Third floor with an elevator, kitchen, good sized room with a desk and a balcony, and a super fast wi-fi! And you are just 5 min of walk away from a tram to Warschauer str. , Eberwalder str. or with a connexion to Alexenderplatz. And Mathias made it super simple for me to reach the flat and was always here for any inquieries. I would recommend it to everybody.