The Casa de Tucumán is a historic building located in the city of San Miguel de Tucumán, Argentina. It is renowned for being the site where the Argentine Declaration of Independence was signed on July 9, 1816. The house has been preserved as a museum, showcasing artifacts and documents from the period of Argentina's fight for independence. The architecture of the Casa reflects colonial styles, featuring a central courtyard and traditional Spanish elements. It serves as an important cultural landmark, attracting visitors who wish to learn about Argentina's history and the events that led to its independence from Spanish rule.