Vahdat Hall (Persian: تالار وحدت) formerly Roudaki Hall (Persian: تالار رودکی) or known internationally in past times as Roudaki Hall Opera in Tehran, Iran, is a well-equipped, prestigious and modern venue and a legacy of a prosperous and developing period for Iranian music, dance and performing arts.Named after a blind Persian poet of 9th and 10th century, Abu-Abdollāh Jafar-ibn Mohammad Roudaki, the opera house was among the 10 best-equipped and modern opera houses in the world at the time of its inauguration.