The House of Visconti was a powerful noble family that ruled the city of Milan and its surrounding territories from the 13th to the 15th centuries. They played a significant role in the political and cultural landscape of northern Italy, establishing themselves as influential leaders and patrons of the arts. Under the Visconti, Milan became a center of commerce and culture, marked by advancements in architecture and the flourishing of the Renaissance. The family is known for its iconic symbol, the Visconti serpent, which represents their legacy and influence in the region.