Theatre of Clunia Sulpicia

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The Theatre of Clunia Sulpicia is a Roman theatre in the ancient city of Colonia Clunia Sulpicia, in what is now province of Burgos, northern Spain. Built on a hill called Alto de Castro (at a height of 1,000 metres (3,300 ft)), it is located between the modern-day villages of Coruña del Conde and Peñalba de Castro, in the south of the province of Burgos.

The edifice was built under the reign of Emperor Tiberius to monumentalize the most important city, along with Asturica Augusta, of the Douro basin. The city was in the province of Hispania Citerior Tarraconensis

The theatre is the most significant structure to survive at Clunia. Carved out of rock, it had a capacity of 10,000 spectators, which made it one of the biggest of its time in Hispania. It was intended to house performances of theatrical works of the classical period.