The Plaza de Toros de Las Ventas, known simply as Las Ventas, is the largest bullfighting ring in Spain, located in the Guindalera quarter of the Salamanca district of Madrid. It was inaugurated on June 17, 1931. Its seating capacity of 23,798, makes it the third-largest bullfighting run in the world, after bullrings in Mexico and Venezuela. After the federal ban …The Plaza de Toros de Las Ventas, known simply as Las Ventas, is the largest bullfighting ring in Spain, located in the Guindalera quarter of the Salamanca district of Madrid. It was inaugurated on June 17, 1931. Its seating capacity of 23,798, makes it the third-largest bullfighting run in the world, after bullrings in Mexico and Venezuela. After the federal ban of bulfighting in Plaza México, Las Ventas is the second largest bullring in the world still in operation for its original intention.