The Mariinsky Ballet is the resident classical ballet company of the Mariinsky Theatre in Saint Petersburg, Russia. Founded in the 18th century and originally known as the Imperial Russian Ballet, the Mariinsky Ballet is one of the world's leading ballet companies. Internationally, the Mariinsky Ballet continues to be known by its former Soviet name the Kirov Ballet. The Mariinsky Ballet is the parent company of the Vaganova Ballet Academy, a leading international ballet school.