Palermo

During this period, many wonderful buildings were built in Palermo by the Arab, Byzantine, and Norman masters.

An excerpt from the article 21 facts about Palermo

Palaces and churches were built topped with Arab domes and decorated with Byzantine mosaics, such as Palazzo dei Normani with Capella Palatina, or churches: San Giovanni degli Eremiti, San Giovani dei Lebrosi, San Cataldo, and others.