It was originally divided in two hamlets : Serra di Leo and Mongrassano .
Mongrassano already existed in the 12th century as a hamlet of San Marco named Mons Crasanus , Mocrasani , Montegrassano or Magrosani .
Mongrassano was originally divided in two hamlets : Serra di Leo and Montegrassano .
Mongrassano already existed in the 12th century as a hamlet of San Marco named Mons Crasanus , Mocrasani , Montegrassano or Magrosani .