The Five Families refers to the five Italian American Mafia crime families who operate in New York City. In 1931, the five families were organized by Salvatore Maranzano following his victory in the Castellammarese War. From Wikipedia
The new season, premiering May 8, 2025, expands Charlie Cale's journey with 12 episodes, a fresh showrunner, and a parade of high-profile guest stars.