Fluminimaggiore (Frùmini Majori or Flùmini Majori in Sardinian language) is a comune (municipality) in the Province of South Sardinia in the Italian region Sardinia, located about 60 km northwest of Cagliari and about 30 km north of Carbonia. Fluminimaggiore borders the following municipalities: Arbus, Buggerru, Domusnovas, Gonnosfanadiga, Iglesias. The Temple of Antas is located in the Fluminimaggiore territory. There are several museums in the town, including a paleontology museum.