La Casa Mínima, measuring just 2.5 meters across, is located in the historic San Telmo neighborhood of Buenos Aires and is recognized as the narrowest house in the city. Its unique structure not only draws the attention of tourists but also serves as a tangible piece of Buenos Aires's architectural history. The building's exterior features an austere design with a green double door and a small balcony, highlighting its distinctive narrowness that stands out amidst the area's broader streets and buildings.

This building is steeped in local legend, famously associated with a liberated slave who is said to have received the land as a donation. This story, which has lived on in the minds of locals, underscores the significance of the Casa Mínima beyond its physical dimensions; it represents themes of freedom and resilience in the face of historical injustices. Such narratives help to enrich the cultural tapestry of Buenos Aires, offering insights into the diverse social histories embedded within the city.

Moreover, the Casa Mínima exemplifies the urban charm and hidden gems that define Buenos Aires. As visitors explore the city, stops at such historical landmarks allow them to engage with the city's past in a meaningful way. The fusion of historical relevance and architectural uniqueness makes La Casa Mínima a must-see for anyone wanting to understand the intricate layers of Buenos Aires's heritage.