Where are the Secret locations in godfather 2 game?

In "The Godfather II" game, secret locations include various hideouts, safehouses, and unique collectibles scattered throughout the game's settings, such as New York and Havana. Key secret locations are often tied to specific missions or side quests, and players can discover them by exploring the environment or following clues. Additionally, certain buildings and landmarks may offer hidden items or advantages when infiltrated. Check your map for areas marked as undiscovered to locate these secrets.