The Maria Callas Palace is located in the very central Piazza Carducci in the historical centre of Sirmione. It features an exhibition area of over 400 square metres as well as a meeting room that can accommodate over 100 people. The Palace, which dates from the late eighteenth century, was restored by the Municipality of Sirmione in order to host exhibitions and major events. Maria Callas Palace is located in the very central Piazza Carducci, in the historical centre of Sirmione. It features an exhibition area of over 400 square metres as well as a meeting room that can accommodate over 100 people. The Palace, which dates from the late eighteenth century, was restored by the Municipality of Sirmione in order to host exhibitions and major events.