Berlin State Opera was created in 1742.
Rousse State Opera was created in 1949.
Hamburg State Opera was created in 1678.
Bavarian State Opera was created in 1653.
Prague State Opera was created in 1888.
Victoria State Opera was created in 1962.
Vienna State Opera was created in 1869.
State Opera Stara Zagora was created in 1925.
Sydney
They perform opera in Melbourne, Adelaide and other places though these do not entitle themselves as "Opera House" In Adelaide it is th "State Opera" in Melbourne "Opera Australia" (run by the same body that runs the "Sydney Opera House"
Some of the best concert halls for acoustics include: Vienna Musikverein, Amsterdam Concert Gebow, Boston Symphony Hall, Vienna State Opera, New York Metropolitan Opera, Sydney Opera House, Vienna Konzerthaus, New York Carnegie Hall, Budapest Hungarian State Opera House, and Los Angeles Walt Disney Concert Hall. The Colon Theatre or Teatro Colón in Buenos Aires, Argentina, is one of the best opera houses for acoustics.
its in Australia stupid (which is a country)