Plovdiv Ancient Roman Theatre, known as Philipopolis Theatre is located in the second-largest city in Bulgaria -Plovdiv and the region of Thrace, where historical believed Spartacus has been born. Along with Colosseum in Rome, the Philipopolis theatre is Europe's most saved Roman monument. 

It has been constructed in the 1st century AD by emperor Hadrian for gladiator fights and performances