Estonian National Opera is the national opera company of Estonia. The company is based at the Estonia Theatre in Tallinn Tallinn, the largest city and capital of Estonia (population 440 000). . The theatre has had several names throughout its existence. The latest one being "The Estonian National Opera", which was adopted in 1998. The company produces a lively and varied season which includes operas, ballets and operettas/musicals with over 500 people currently working at the Estonian National Opera.