Colonna di Sant'Andrea, also known as the Column of St. Andrew, is a historic monument located in Trani. It is believed to be the place where the remains of St. Andrew, one of the twelve apostles, were brought ashore in the 1st century AD. The column is made of marble and stands tall in the Piazza della Repubblica. It is a significant religious and historical site, attracting visitors from all over the world. The column is a symbol of Trani's rich history and religious heritage.