A Neapolitan song is a traditional style of music that originated in Naples, Italy. These songs often express themes of love, longing, and the beauty of the Mediterranean landscape. They are characterized by their melodic and emotional qualities, making them popular both in Italy and around the world. Typically sung in the Neapolitan dialect, these songs have a rich history and are often performed with a guitar or other string instruments. Famous examples include "O Sole Mio" and "Funiculì Funiculà," which showcase the vibrant culture and artistic heritage of Naples.