Province of Caltanissetta

The province of Caltanissetta (provincia di Caltanissetta; pruvincia di Nissa or pruvincia di Cartanissetta; officially libero consorzio comunale di Caltanissetta) is a province in the southern part of Sicily, Italy. Following the suppression of the Sicilian provinces, it was replaced in 2015 by the free municipal consortium of Caltanissetta (libero consorzio comunale di Caltanissetta). The province contains 22 comuni (: comune). Its coat of arms is a red crest and two green leaf stems on top with a laurel leaf on the right and a crown in the middle. The River Salso is the main river of the province; it is 122 km long and originates in the province of Palermo, and it flows into the Mediterranean in this province at the end of the Gulf of Gela.

Bordering provinces and metropolitan cities
In counterclockwise order:
 * Province of Agrigento, west
 * Metropolitan City of Palermo, north-west
 * Province of Enna, north
 * Metropolitan City of Catania, north-east
 * Province of Ragusa, east

Geography
The province extends to the central part of Sicily in the northwestern direction where the capital is located. The commune of Resuttano is found in an enclave of the province of Palermo near Caltanissetta between Monte Stretto and Portella del Vento. Another example in the same province is that of the two small localities of Cannetti and Corfidato, two hamlets (Frazioni) of the comune of Enna, 15 km away, within the territory of the comune of Caltanissetta. The land extends to the Gela Plain and into the Gulf of Gela, where the main river of the province, the Salso, meets the Mediterranean.

Population
The total population of the province is 271.758 people. Here below are listed the communes with more than 10,000 inhabitants:
 * Gela (74,075 inhabitants)
 * Caltanissetta (61,311 inhabitants)
 * Niscemi (26,274 inhabitants)
 * San Cataldo (21,859 inhabitants)
 * Mazzarino (11,445 inhabitants)
 * Riesi (11,110 inhabitants)
 * Mussomeli (10,262 inhabitants)