Opera, the word, comes from Italy.
'Opera' is the Italian for 'work'. It is an abbreviation for 'opera in musica'.
England.
Opera originated in Italy.
The Man Without a Country - opera - was created in 1937.
Impossible to answer as you do not specify a country. I suggest you Google opera schools / colleges in your country. It would also depend on the level you are currently at.
Italy
Opera is an Italian word, from either opus or oper -- to work.
Egypt.
Australia.
Australia
Italy.