The largest venue of its kind is the Plaza México in central Mexico City , which seats 48,000 people , and the oldest is the La Maestranza in Seville , Spain , which was first used for bullfighting in 1765 .
The largest bullring is the Plaza México in central Mexico City , which seats 48,000 people , and the oldest is the La Maestranza in Seville , Spain , which was first used for bullfighting in 1765 .