Complex sentence: The Museo Taurino (Bullfighting Museum) is located in the city center, said to be the best such museum in Spain, it was organized by the Extremadurian Bullfighting Club.
Split into simpler sentences: The Museo Taurino (Bullfighting Museum) is located in the city centre. Said to be the best museum of its kind in Spain, it was organized by the Extremadurian Bullfighting Club.