The following is a list of the 23 municipalities (comuni) of the former Province of Carbonia-Iglesias, Sardinia, Italy.[1]
| ISTAT Code | Comune | Population (2009) | |
|---|---|---|---|
| 107001 | Buggerru | 1,123 | |
| 107002 | Calasetta | 2,919 | |
| 107003 | Carbonia | 29,821 | |
| 107004 | Carloforte | 6,465 | |
| 107005 | Domusnovas | 6,399 | |
| 107006 | Fluminimaggiore | 3,005 | |
| 107007 | Giba | 2,139 | |
| 107008 | Gonnesa | 5,157 | |
| 107009 | Iglesias | 27,593 | |
| 107010 | Masainas | 1,362 | |
| 107011 | Musei | 1,506 | |
| 107012 | Narcao | 3,403 | |
| 107013 | Nuxis | 1,694 | |
| 107014 | Perdaxius | 1,472 | |
| 107015 | Piscinas | 851 | |
| 107016 | Portoscuso | 5,280 | |
| 107017 | San Giovanni Suergiu | 6,044 | |
| 107018 | Santadi | 3,631 | |
| 107019 | Sant'Anna Arresi | 2,692 | |
| 107020 | Sant'Antioco | 11,730 | |
| 107021 | Tratalias | 1,107 | |
| 107022 | Villamassargia | 3,698 | |
| 107023 | Villaperuccio | 1,095 | |
| Total | 130,186 |