Italian former Benedictine abbey near the mouth of the Po River and 45 km north of Ravenna in the province of Emilia Romagna. Although first documented in
The proportions of the wooden-roofed basilican church, along with the polygonal outline of its main apse, reflect influence from nearby Ravenna and Classe and suggest a date in the 8th or 9th century. An elaborate pavement of mosaic and cut stone (opus sectile...