Vilnius Region
During the interwar, then part of Poland, Vilnius was famous for the most modern in the region experimental Reduta troupe and institute, led by Juliusz Osterwa. In Vilnius and the Vilnius Region, the performances by the Vilnius Lithuanian Stage Amateur Company (), established in 1930 (later it was renamed to Vilnius's Lithuanian Theatre; professional theatre Vaidila), were shown. In 1945, it was merged to the Lithuanian National Drama Theatre.