Edificio Chacabuco 78, Art Nouveau office building in Montserrat district, Buenos Aires, Argentina.
Edificio Chacabuco 78 is a five-story office building with white and green facade, geometric patterns, and towers at both ends. Each floor contains twelve offices, shared bathrooms, and ground-level commercial spaces.
Architect Julián García Núñez designed the building in 1911 for Ignacio Atucha, incorporating design elements from his architectural training in Barcelona. The project emerged during an era when European architecture shaped early development in Buenos Aires.
The building combines Catalan Modernism with Viennese Secession, showing how European architectural trends influenced Buenos Aires in the early 1900s. Its geometric facade patterns and decorative metalwork reflect these mixed design traditions.
The building sits near Avenida de Mayo in the Montserrat neighborhood and is easy to reach. Spaces are organized with shared facilities spread across multiple levels.
A central glass roof floods the interior with natural light, distributed across all floors through brick glass panels. This system provided an innovative way to light deeper interior spaces.
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