I was tempted to translate “República” as frat-house, but I suspect the two are somewhat different except in their primary use: student accommodation.
One of the most picturesque buildings in Medieval Coimbra, it is called “Casa da Nau” for its ship-like shape. Originally from the 15th c. but subsequently altered, the simple volume has many inventive features: oriel windows, “apron” windows, a triangular terrace like a ship’s prow, cannon-like roof spouts, and even a corbelled window not unlike a Scottish castle.
The present inhabitants recently finished a crowdfunding effort (see link below) to undertake some badly needed renovations. Some of its ruinous charm will be lost, but hopefully it’ll be saved for years to come.
Real Républica Prá-kys-tão, Rua Joaquim António Aguiar, Coimbra