The Ancient Theater is one of the main public buildings of ancient Philippopolis. Built during the 90s of the 1st century, during the Emperor Domitian, when Titus Flavius Kotyssus of the Thracian royal dynasty, three times First votary of Thrace, a representative of the metropolis and a construction manager.

The theater has survived until the end of the 4th century. It is one of the best preserved ancient theaters in the world. Archaeological excavations took place in 1968-79, as a result of which the theater was discovered and partially restored.

Today, the Ancient Theater in Plovdiv is fully adapted to the contemporary cultural life of the city. It hosts various performances and concerts for about 3,000 spectators.