The Mariinsky Theatre [1] is a famous theatre of opera and ballet in Saint Petersburg, Russia. It was opened in 1860 and soon became the most important theatre for opera and ballet in Russia. Many great operas and ballets of the 19th century were first performed there, including the greatest stage works by Tchaikovsky, Mussorgsky, and Rimsky-Korsakov.
The Mariinsky Theatre is home to the Mariinsky Ballet, Mariinsky Opera and Mariinsky Orchestra. The conductor Valery Gergiev has been the general director there since 1988.