The “Ivan Vazov” National Theatre is Bulgaria’s biggest theatre, as well as the oldest and most stand out and most imposing theatre in the country. This theatre is one of the major landmarks in Sofia due to its prime location and grandiose architecture.
The National theatre is located in the centre of Sofia and its edifice faces the City Garden. The Ivan Vazov National Theatre has a well-equipped main stage with 750 seats, a smaller 120-seat stage and an additional 70-seat one on the fourth floor. The theatre employs some of the country’s best actors and stage directors, many of whom are widely popular.
http://www.sofia-guide.com/attraction/ivan-vazov-national-theater-sofia-bulgaria/