Georgian National Opera Tbilisi Theater is an opera and ballet house located on Rustaveli Street in Tbilisi. Founded in 1851, it is the main opera house in Georgia and one of the oldest institutions in Eastern Europe. Although it is oriental in decor and style, the building, the halls and the main hall have the design of a typical European opera house. This opera house is one of the centers of cultural life in Tbilisi and was once home to Zacharia Paliashvili, the Georgian national composer. famous.