sentences:  San Lorenzo actually is a church plus monastery.The new museum takes up the three floors above the courtyard and is given over to the entire history of the area that centers on San Lorenzo, beginning with classical archaeology and progressing to a chart display of historical shipping routes from Naples throughout Magna Grecia and the Roman Empire.The museum provides a detailed account of the local "city hall" that was demolished in order to put up the church in the 13th century and continues up past the Angevin period and into more recent history.