Casa Ezeiza is an old family home located in the historic San Telmo neighborhood of Buenos Aires. Built in the 1870s as a home for the Ezeiza family. It later housed a school and then a tenement for 32 families.

The southern neighborhoods of La Boca and San Telmo were originally the wealthiest area of the city. A yellow fever epidemic in the late 19th century sent these aristocratic families fleeing to the northern countryside (to modern day Recoleta) and abandoning their palatial homes. These empty homes became

In 1980, it was renovated and transformed into a shopping arcade called Pasaje Defensa, preserving its original charm with features like iron columns, marble facades, and wooden ceilings. Today, it stands as a unique blend of historical architecture and modern commercial space, offering visitors a glimpse into the city's past while enjoying a spot of shopping.