Opera in Eastern Europe and Balkans
Estonia, Tallinn, Concerts, Theaters, Opera Rahvusooper "Estonia" , Estonian National Opera
Moscow, Theaters, Opera
Warszawa, Theaters, Opera
Warszawa, Concerts, Opera Companies, Opera Warszawska Opera Kameralna, istnieje od 1961 roku, Dyrektor Naczelny i Artystyczny Stefan Sutkowski. Warsaw Chamber Opera, since 1961, Managing and Artistic Director Stefan Sutkowski (Marek Sadowski-webmaster)
Vilnius, Opera
Prague, Opera Houses
Szczecin, Opera