
Caltanissetta (Sicilian Cartanissetta or Nissa) is a city located on the western interior of Sicily, capital of the province of Caltanissetta. It lies in an area of rolling hills with small villages and towns, crossed by the river Salso.
Caltanissetta is the hub of public transport in the area.
Caltanissetta is also the site of a longwave transmitter (shutdown in 2002) and shortwave transmitter. The mast used for the longwave transmitter may be the tallest structure in Italy.