The Basilica of Palaiopolis, one of the most important Byzantine monuments in Corfu, was built in the mid-5th AD century by the Bishop Ioviano.
The temple was built in the center of the Roman market of Corfu. It was a five-aisled basilica with a transept, double narthex, atrium and rich sculpture and mosaic decoration. For building materials from the adjacent ancient pagan temples , which still visible on its walls.
The 15th century was a large Catholic monastery complex , dedicated to the Virgin Anafonitria . The church then damaged during the Second World War.
References:Sigmaringen Castle was first mentioned in the year 1077 in the chronicles of Petershausen monastery. The oldest parts of the castle are concealed beneath the alterations made during the 17th and the 19th centuries. The secret of the earliest settlement built on this defendable rock will never be fully revealed: large-scale excavation work would be necessary, which the extensive land development renders impossible. Judging from the many Roman remains unearthed in the area around Sigmaringen, the 12th century keep known as the 'Roman Tower' could be traced back to a Roman predecessor.
The castle remains that have been preserved (gate, great hall and keep) date back to the Staufer period around 1200. The castle remains were integrated into subsequent buildings. The foundations of the castle buildings are to a large extent identical to the surrounding castle wall.
These remains give us a good idea of how the castle might have looked during the 12th century.