Caltanissetta is a city and municipality in the autonomous region of Sicily in Italy, and the capital of the free municipal consortium of Caltanissetta. In 2025, it has a population of 58,045.
Remains of the ancient Pietrarossa Castle, with the adjacent convent and Santa Maria degli Angeli Church (woodcut by Giuseppe Barberis, 1892)
Carusi at the entrance of a sulfur mine shaft; 1899.
Salvatore Sciascia outside his renowned bookstore on Corso Umberto I in the 1960s.