The monumental complex of Santa Sofia in Benevento includes the church, one of the most important of Langobardia Minor come down to the present day, the bell tower overlooking the square, former monastery with a beautiful cloister, the fountain through the middle. The Hagia Sophia church is part of the serial site "Lombards in Italy: the places of power", including seven places full of architectural treasures, pictorial and sculptural art Lombard, joined the list of UNESCO World Heritage since June 2011. The church was built by Duke Arechi II between 758 and the 787 and it is one of the most interesting early medieval buildings and best preserved in Italy; one of the most singular buildings from the medieval time thanks to its original plant half circular and half stellar that creates a play of light and shadows.