Benevento is 135 meters above sea level and in recent years has greatly expanded. There are numerous historical and artistic monuments that will prove the importance of this city in its numerous historical phases. Its greatest Roman monument and the Arch of Trajan and other Roman monuments include the Theatre which was built around 2nd and 3rd century. Very nice also the Church of the Benedictine Nunnery dedicated to Saint Sofia, which dates back to the Lombard period. Other important buildings are the Rocca dei Rettori, City Hall, the Church of San Bartolomeo, the fountain of the chains, the Museo del Sannio located in the monastery of Santa Sofia. The Church of St Sophia, built in 760 by the Lombard Duke Arechi II, became part of the UNESCO World Heritage site within the site serial Lombards in Italy: the places of power. The city is located inland, Apennines in Campania, in the southern part of the historical region of samnium, almost equidistant from the Tyrrhenian and Adriatic Sea.