Rent a unique and stylishly furnished Altbau apartment in the heart of Berlin, right at the sought-after Kollwitzplatz. This spacious 100 square meter apartment is located on the first floor (Belletage) of a charming historic building in a quiet side street. It perfectly combines classic charm with modern comfort and is fully furnished with high-end designer pieces. The apartment features a generous layout: A bright, inviting living kitchen, a stylish living room for relaxation, and an elegant d...