The first part of the castle were built in the 13th century. The castle stands on the site of the old Romanesque church. The oldest part of the castle is the Romanesque rotunda. Andrew. The dominant feature of the castle is the The first part of the castle were built in the 13th century. The castle stands on the site of the old Romanesque church. The oldest part of the castle is the Romanesque rotunda. Andrew. The dominant feature of the castle is the