The Lviv Theatre of Opera and Ballet (Ukrainian: Львівський Державний академічний театр опери та балету імені Соломії Крушельницької, L'vivs'kyi Derzhavnyi akademichnyi teatr Opery ta baletu imeni Solomyiyi Krushel'nyts'koii; Eng. Lviv State Academic Opera and Ballet Theatre of Solomiya Krushelnytska, Polish: Opera Lwowska) is an opera house and theatre located in Lviv, Ukraine. The building was built between 1897 and 1900. The Lwów Opera was originally called the Grand Theatre (Polish: Teatr Wielki; Ukrainian: Великий міський театр, Velykyi Mis'kyi Teatr) until it was renamed in 1939 by the Soviet authorities.