San Pietro Apostolo is a comune and town in the province of Catanzaro in the Calabria region of Italy. It is about 15.3 kilometres northwest of C…San Pietro Apostolo is a comune and town in the province of Catanzaro in the Calabria region of Italy. It is about 15.3 kilometres northwest of Catanzaro, the provincial capital. It is surrounded by the villages of Decollatura, Gimigliano, Miglierina, Serrastretta and Tiriolo. The largest nearby town is Nicastro, which has since become part of the larger comune of Lamezia Terme.