The Bolshoi Theatre (Russian: Большой театр, Bol'shoy Teatr, Large Theater) is a theatre and opera company in Moscow, Russia, which gives performances of ballet and opera.
The current building was built on Teatralnaya Square in 1825 to replace the Petrovka Theatre, which had been destroyed by fire in 1805. It was designed by architect Osip (Joseph) Bove, who had built the nearby Maly Theatre in 1824. At that time, all the Russian theatres were imperial property.
In Moscow and St Petersburg, there were two theatres only, one of them intended for opera and ballet and another one for tragedies and comedies. As opera and ballet were considered nobler than drama, the opera house was named the "Grand Theatre" ("Bolshoi" being the Russian for "large" or "grand") and the drama theatre - "Smaller Theatre" ("Maly" being the Russian for "little").
Text source: Wikipedia
The State Academic Bolshoi Theatre of Russia Official Website