Fluminimaggiore () is a town and comune (municipality) in the Province of Sulcis Iglesiente in the autonomous island region of Sardinia in Italy, located about northwest of Cagliari and about north of Carbonia. It has 2,575 inhabitants.
Fluminimaggiore borders the municipalities of Arbus, Buggerru, Domusnovas, Gonnosfanadiga, and Iglesias.
The Temple of Antas is located in the Fluminimaggiore territory. There are several museums in the town, including a paleontology museum.Comune di Fluminimaggiore
Demographics As of 2026, the population is 2,575, of which 49.1% are male, and 50.9% are female. Minors make up 9.6% of the population, and seniors make up 32.4%.
Immigration As of 2025, immigrants make up 2.3% of the total population. The 5 largest foreign countries of birth are Romania, Germany, Kyrgyzstan, China, and France.
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