Plovdiv Roman theatre technique. Today, the ancient theatre is the most recognizable landmark of Plovdiv. It plays a significant part in the cultural life of the city (due mainly to the architecture of the monument and its good acoustics) and serves as a stage for plays, concerts, public events, etc. The theatre can accommodate up to 3,500 spectators. Plovdiv Roman theatre The Roman theatre of Plovdiv (; , "Plovdivski antichen teatar") is one of the world's best-preserved ancient theatres, located in the city center of Plovdiv, Bulgaria. It was constructed in the 90s of the 1st century AD, probably under the rulership of
Plovdiv Arts; and others. The 2009 International Olympiad in Informatics (IOI) was held at the University of Plovdiv "Paisiy Hilendarski", between 8 and 15 August 2009. The 2009 IOI Honorary Patron was Bulgarian President Georgi Parvanov. Between 1875 and 1906, the Zariphios School was one of the local Greek educational institutions that provided elementary and secondary education. Plovdiv Sports Complex consists of Plovdiv Stadium with several additional football fields, tennis courts, swimming pools, a rowing base with a 2 km-long channel, restaurants, and cafés in a spacious park in the western part of the city just south of the Maritsa river.