Colonna di Sant'Andrea, also known as the Column of St. Andrew, is a prominent landmark in Trani. The column is believed to have been brought from the Holy Land during the Crusades and is associated with the patron saint of the city, St. Andrew. It stands tall in the main square of Trani, serving as a symbol of the city's rich history and religious heritage. Visitors can admire the column and learn about its significance from the nearby informational plaques.