Plaza de toros de Fregenal de la Sierra Monument · Fregenal de la Sierra, Sierra Suroeste, Badajoz Built in the final years of the 18th century within the precinct of the Templar castle, which gives it the appeal of being a bullring inside a fortress. Classified as a third-category ring, it has a capacity of about 4,800 spectators. Photo: Luis Rogelio HM (CC BY-SA 2.0) What to see and do in Fregenal de la Sierra