$SOL $SOL Sol Square, located in the heart of Madrid, Spain, is officially known as Puerta del Sol. It is one of the city's most iconic and bustling public spaces, serving as a historic and cultural hub. The square features the famous clock tower of the old Post Office, where crowds gather annually to celebrate New Year's Eve. A central point for Madrid’s radial road network, it’s marked by "Kilómetro Cero." Nearby statues include the Bear and the Strawberry Tree, Madrid's symbol. Surrounded by shops, cafes, and landmarks, Sol Square is both a meeting place for locals and a major tourist attraction.