Important municipalities are Calasetta, Carbonia, Carloforte, Domus de Maria, Giba, Gonnesa, Masainas, Narcao, Nuxis, Perdaxius, Piscinas, Portoscuso, San Giovanni Suergiu, Santadi, Sant'Anna Arresi, Sant'Antioco, Tratalias, Villaperuccio, Teulada.
The region has rich coal deposits, commercially exploited since the 1850s. Coal mining has been the primary source of sustenance of the local population for many years. However, after hitting a peak during the Fascist regime, coal production has been largely abandoned by the early 1970s. Today, Sulcis is one of the poorest places in Italy, characterized by sky-high unemployment and emigration.
- King, Russell (1985). The Industrial Geography of Italy. Routledge Library Editions: Economic Geography. p. 10. ISBN 1138854409.
- "Italy's Sardinia struggles to leave state aid behind". Reuters. Sep 25, 2012. Retrieved 5 August 2016.