Region
Italy
65
Milan
34
France
10
Germany
8
Florence
4
Boston
3
Europe
3
Italie
3
Massachusetts
3
New York
3
New York (State)
3
Bayreuth
2
Czechoslovakia
2
Great Britain
2
Russia
2
South Africa
2
Stuttgart
2
United States
2
Venice
2
Argentina
1
Austria
1
Bregenz
1
États-Unis
1
Festspielhaus
1
Frankreich
1
Iowa
1
Macerata
1
Naples
1
Naples (Italy)
1
Naples (Kingdom)
1
Naples (Royaume)
1
Orange
1
Orient
1
Paris
1
Parma
1
Portugal
1
Russia (Federation)
1
Russie
1
Spain
1
Turin <2009>
1
Vichy
1