Joe's Diner was an abandoned diner in Brooklyn. It was here where Tom Hagen was held after his capture in December 1945 by Virgil Sollozzo.
It had some connection to the Barzini family, who owned the nearby Saint Elia Warehouse.
In the video game[]
In The Godfather: Blackhand Edition and The Godfather: The Don's Edition, Aldo Trapani, Peter Clemenza and Rocco Lampone rescue Tom from the diner shortly before he is about to be executed by one of Sollozzo's men.