This building is a clear example of Basque Baroque. The building has a coat of arms, the facade is built from limestone and has ashlar masonry.

Aranburu Jauregia Tolosa

Miguel Aramburu published the Charter of Gipuzkoa for the first time 1696, in the press that he had built in the basement of the cellar. At present, it is home to the Municipal Archive, a library and an exhibition room.